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2018年47卷7期29篇论文

<RECORD 1>

Accession number:20184406012269

Title:Infrared Ultra-wide Angle Image Distortion Centre Calibration Method Based on High Odd-order Polynomial Model

Title of translation:基于高阶奇次多项式模型的红外超广角图像中心标定

Authors:Liu, Bing-Qi (1); Chen, Yi-Chao (1); Huang, Fu-Yu (1)

Author affiliation:(1) The Army Engineering University of PLA Shijiazhuang Campus, Ordnance Engineering College, Shijiazhuang; 050003, China

Corresponding author:Huang, Fu-Yu(hfyoptics@163.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:47

Issue:7

Issue date:July 1, 2018

Publication year:2018

Article number:0715001

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:Due to the image distortion of the infrared ultra-wide angle system is large, the diffraction is obvious and the precision of traditional calibration method is not high, this article puts forward a kind of infrared ultra-wide angle image distortion centre calibration method based on the high odd-order polynomial model. The calibration method is designed by analyzing the radial and the tangential magnification of the small circular target. The ellipse equation is used to fit the target image, then two dimensional Gauss surface fitting is based on the ratio of the elliptical long and short axis as the objective function. Finally, the center of Gauss surface is regarded as the centre of distortion. The experimental results show that the calibration accuracy of the proposed method are 0.77 pixels and 1.02 pixels respectively. The distorted image is corrected by this calibration result. In the corrected image, the maximum root-mean-square-error of the line is 1.56 pixels. The experiment verifies the accuracy of the proposed infrared ultra-wide angle image center calibration method, which meets the requirements of the infrared ultra-wide angle image distortion center calibration.<br/> &copy; 2018, Science Press. All right reserved.

Number of references:16

Main heading:Calibration

Controlled terms:Computer vision - Geometry - Mean square error - Pixels - Polynomials

Uncontrolled terms:Calibration accuracy - Calibration method - Image distortions - Objective functions - Order polynomials - Root mean square errors - Traditional calibration - Ultra-wide

Classification code:723.5  Computer Applications - 921  Mathematics - 921.1  Algebra - 922.2  Mathematical Statistics

DOI:10.3788/gzxb20184707.0715001

Funding Details: Number; Sponsor: F2016506014; Natural Science Foundation of Hebei Province

Database:Compendex

Compilation and indexing terms, Copyright 2018 Elsevier Inc.

<RECORD 2>

Accession number:20184406012267

Title:Effects of Ambient Air Pressure on Femtosecond Laser Induced Periodic Ripple Structure on Chromium Films

Title of translation:不同气压环境对飞秒激光在铬膜表面诱导周期性条纹结构的影响

Authors:Liu, Qi (1); Zhang, Nan (1); Yang, Jian-Jun (1, 2)

Author affiliation:(1) Institute of Modern Optics, School of Electronic Information and Optical Engineering, Nankai University, Tianjin; 300350, China; (2) Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun; 130033, China

Corresponding author:Yang, Jian-Jun(jjyang@nankai.edu.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:47

Issue:7

Issue date:July 1, 2018

Publication year:2018

Article number:0714001

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:The formation of one dimensional periodic subwavelength (~250 nm) ripple structures on the surface of Si-based Cr film was investigated by irradiation of blue femtosecond laser pulses (1 kHz, 50 fs, 400 nm) under different ambient air pressures of 10<sup>5</sup> Pa (or 1atm) and 10<sup>-3</sup> Pa. The effects of the experimental parameters such as the incident laser energy fluence, the sample scanning speed and the film thickness, on the development of the surface ripple structures were compared. The results demonstrate that the quality of the surface structures can be effectively improved either by the low air pressure of 10<sup>-3</sup> Pa or by reducing the thickness of Cr film (100 ~25 nm), however, the uneven ablation may be appeared when the Cr film is too thin (&le; 25 nm). Moreover, with decreasing the laser energy fluence or increasing the scanning speed, the spatial period of the ripple structures tends to become smaller, accompanied by the nanowires growth inside the grooves of the ripple structures.<br/> &copy; 2018, Science Press. All right reserved.

Number of references:25

Main heading:Periodic structures

Controlled terms:Atmospheric pressure - Chromium - Femtosecond lasers - Laser pulses - Thin films - Ultrafast lasers

Uncontrolled terms:Ambient air pressure - Experimental parameters - Laser energy fluence - Low air pressure - Periodic ripples - Ripple structure - Sub-wavelength structures - Vacuum environment

Classification code:443.1  Atmospheric Properties - 543.1  Chromium and Alloys - 744.1  Lasers, General - 931.3  Atomic and Molecular Physics

Numerical data indexing:Frequency 1.00e+03Hz, Pressure 1.01e+05Pa, Size 1.00e-07m to 2.50e-08m, Size 2.50e-08m, Size 4.00e-07m, Time 5.00e-14s

DOI:10.3788/gzxb20184707.0714001

Funding Details: Number; Acronym; Sponsor: 11674178; NSFC; National Natural Science Foundation of China - Number; Sponsor: 17JCZDJC37900; Natural Science Foundation of Tianjin City

Database:Compendex

Compilation and indexing terms, Copyright 2018 Elsevier Inc.

<RECORD 3>

Accession number:20184406012275

Title:Estimation of Zernike Coefficients for Any Wavelength Transmitted Wavefront at Defocus Position

Title of translation:离焦位置任意波长透射波前Zernike系数算法研究

Authors:Zhang, Qi-Yuan (1); Han, Sen (2, 3); Tang, Shou-Hong (2, 4); Wang, Quan-Zhao (4); Jiang, Zhi-Hua (5)

Author affiliation:(1) School of Optoelectronic Engineering, Changchun University of Science and Technology, Changchun; 130022, China; (2) College of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai; 200093, China; (3) Suzhou H&amp;L Instruments LLC, Suzhou; Jiangsu; 215123, China; (4) Suzhou W&amp;N Instruments LLC, Suzhou; Jiangsu; 215123, China; (5) Division of Mechanics and Manufacture Measurement Technology, Shanghai Institute of Measurement and Testing Technology, Shanghai; 201203, China

Corresponding author:Han, Sen(senhanemail@126.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:47

Issue:7

Issue date:July 1, 2018

Publication year:2018

Article number:0712002

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:Based on Zernike polynomials fitting wavefront, an algorithm of calculating Zernike coefficients for any wavelength transmitted wavefront at defocus position was put foward. The method compensates the change of Zernike coefficients of defocus distance based on Zernike coefficients at focus position. Using an achromatic system, the working position was optimized according to the wavelengths and weights, and the defocusing amount between focus position and working position was calculated, and the any wavelength wavefront Zernike coefficients at working position was verified by the algorithm. The result showed that the proposed algorithm is effective for calculating Zernike coefficients related to position, compared with using Conrady-Zernike formula in working position, the absolute error of Z<inf>1</inf> decreased from 6.78 to 1.41, and the absolute error of Z<inf>4</inf> decreased from 6.83 to 1.45.<br/> &copy; 2018, Science Press. All right reserved.

Number of references:14

Main heading:Wavefronts

Controlled terms:Wave transmission - Wavelength

Uncontrolled terms:Achromatic - Achromatic system - Defocus - Defocus distance - Transmitted wavefronts - Zernike coefficient - Zernike formulas - Zernike polynomials

DOI:10.3788/gzxb20184707.0712002

Database:Compendex

Compilation and indexing terms, Copyright 2018 Elsevier Inc.

<RECORD 4>

Accession number:20184406012288

Title:Optical Properties Simulating Calculation of the F or F<sup>+</sup> Center in LuPO<inf>4</inf> Crystal

Title of translation:LuPO<inf>4</inf>晶体中F心和F<sup>+</sup>心的光谱性质模拟计算

Authors:Li, Jin (1); Liu, Ting-Yu (1, 2); Fu, Ming-Xue (1); Lu, Xiao-Xiao (1)

Author affiliation:(1) College of Science, University of Shanghai for Science and Technology, Shanghai; 200093, China; (2) Shanghai Key Laboratory of Modern Optical Systerm, Shanghai; 200093, China

Corresponding author:Liu, Ting-Yu(liutyyxj@163.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:47

Issue:7

Issue date:July 1, 2018

Publication year:2018

Article number:0716001

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:The defect formation energy of LuPO<inf>4</inf> crystal is calculated by generalized gradient approximation combined with plane wave pseudo-potential based on density functional theory. The periodic arrangement of the defect introduces artifical interactions is corrected. The oxygen vacancy defect formation energy in different charged states is obtained accurately, and band gap is modified through Hybrid functional. The optical line shapes are described by the defect formation energy and electron-phonon coupling. The comparison of LuPO<inf>4</inf>:Nd experimental and calculated results shows the absorption peak of F center are superimposed on Nd<sup>3+</sup> 5d-4f emission (located at 189 nm). It is inferred that F center is found to be responsible for the limited light yield in LuPO<inf>4</inf>:Nd.<br/> &copy; 2018, Science Press. All right reserved.

Number of references:34

Main heading:Lutetium compounds

Controlled terms:Calculations - Chromium compounds - Color centers - Density functional theory - Electron correlations - Electron-phonon interactions - Energy gap - Optical properties - Oxygen vacancies

Uncontrolled terms:Defect formation energies - Electron phonon couplings - F centers - First principles - Generalized gradient approximations - Hybrid functional - Oxygen vacancy defects - Plane-wave pseudo-potential

Classification code:741.1  Light/Optics - 921  Mathematics - 931.3  Atomic and Molecular Physics - 933.1  Crystalline Solids

Numerical data indexing:Size 1.89e-07m

DOI:10.3788/gzxb20184707.0716001

Funding Details: Number; Acronym; Sponsor: 61675132; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2018 Elsevier Inc.

<RECORD 5>

Accession number:20184406012280

Title:Propagation and Polarization Characteristics of the Radially Polarized High-order Bessel-Gaussian Vortex Beams

Title of translation:径向偏振高阶贝塞尔-高斯涡旋光束的传输及其偏振特性

Authors:Liu, Yong-Xin (1); Zhang, Kai-Ning (1); Pu, Ji-Xiong (1)

Author affiliation:(1) Fujian Key Laboratory of Light Propagation and Transformation, College of Information Science and Engineering, Huaqiao University, Xiamen; Fujian; 361021, China

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:47

Issue:7

Issue date:July 1, 2018

Publication year:2018

Article number:0708001

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:The intensity distribution and polarization characteristics of the radially polarized high-order Bessel-Gaussian vortex beams propagating in free space were studied theoretically and experimentally. Through numerical calculation, with transmission distance increasing, the intensity distribution remains unchanged in the diffraction free area. For a zero order beam, the polarization state remains the same. But for a higher order light beam, the polarization state changes, and the initial radial polarization gradually changes into the hybrid polarization state including elliptical polarization and linear polarization. In the experiment, a radially polarized high-order Bessel -Gaussian vortex beam is produced by using the radial polarization converter, vortex phase plate and axicon element. The light intensity distributions of the beams passing through different polarizers are detected. By comparing the experimental results with the theoretical results, it is found that they are basically consistent. The study also provides a method to produce the hybrid polarized vector beams.<br/> &copy; 2018, Science Press. All right reserved.

Number of references:17

Main heading:Gaussian beams

Controlled terms:Diffraction - Gaussian distribution - Polarization - Vortex flow - Wave propagation

Uncontrolled terms:Elliptical polarization - Gaussian vortices - Intensity distribution - Light intensity distribution - Numerical calculation - Polarization characteristics - Radial polarization - Transmission distances

Classification code:631.1  Fluid Flow, General - 711  Electromagnetic Waves - 922.1  Probability Theory

DOI:10.3788/gzxb20184707.0708001

Funding Details: Number; Acronym; Sponsor: 61275203; NSFC; National Natural Science Foundation of China - Number; Acronym; Sponsor: 61505059; NSFC; National Natural Science Foundation of China - Number; Acronym; Sponsor: 61575070; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2018 Elsevier Inc.

<RECORD 6>

Accession number:20184406012281

Title:Construction and Optimization of the Complementary Beam of Bessel Beam

Title of translation:贝塞尔光束的互补光束设计与优化

Authors:Jia, Hao (1, 2); Yu, Xiang-Hua (1); Yang, Yan-Long (1); Zhou, Xing (1, 2); Yan, Shao-Hui (1); Liu, Chao (1, 2); Lei, Ming (1); Yao, Bao-Li (1)

Author affiliation:(1) State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an; 710119, China; (2) University of Chinese Academy of Sciences, Beijing; 100049, China

Corresponding author:Yu, Xiang-Hua(yxh@opt.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:47

Issue:7

Issue date:July 1, 2018

Publication year:2018

Article number:0708002

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:The idea of propagation-invariant Complementary Beam (CB) to Bessel beam was proposed. Based on the Huygens-Fresnel principle and the superposition of coherent light field, the general form of CB's spectrum is suggested. The phase distribution of complex amplitude spectrum is optimized with the aid of genetic algorithm, in doing so the scanning complementary beam light-sheet enables to approximate the side lobes of Bessel light-sheet to the utmost. Thus, the substraction of two scans can eliminate the influence of the side lobes to produce a large FOV, homogeneous and thin light-sheet. The employment of the complementary beam into light-sheet fluorescence microscopy is a promising method to reduce the background signal as well as enhance the imaging quality.<br/> &copy; 2018, Science Press. All right reserved.

Number of references:18

Main heading:Bessel functions

Controlled terms:Electron holography - Fluorescence microscopy - Genetic algorithms - Laser beams

Uncontrolled terms:Bessel beam - Computer generated holograms - Light field reproductions - Nondiffracting beam - Optical field

Classification code:743.1  Holographic Techniques - 744.8  Laser Beam Interactions - 921  Mathematics - 931.4  Quantum Theory; Quantum Mechanics

DOI:10.3788/gzxb20184707.0708002

Funding Details: Number; Acronym; Sponsor: 11704405; NSFC; National Natural Science Foundation of China - Number; Acronym; Sponsor: 81427802; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2018 Elsevier Inc.

<RECORD 7>

Accession number:20184406012264

Title:Influence of UV-exposure on the Diffraction Characteristics of Volume Bragg Grating

Title of translation:曝光剂量与体布喇格光栅衍射特性的研究

Authors:Xiong, Bao-Xing (1); Zhang, Gui-Ju (1); Zou, Kuai-Sheng (1)

Author affiliation:(1) College of Physics, Optoelectronics and Energy, Soochow University, Suzhou; Jiangsu; 215006, China

Corresponding author:Zou, Kuai-Sheng(zks@suda.edu.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:47

Issue:7

Issue date:July 1, 2018

Publication year:2018

Article number:0705002

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:Volume Bragg grating with the grating period 2.1 &mu;m was recorded in the photo-thermo-refractive glass with laser amplitude-split interference and "two-step" heat treatment process. The diffraction efficiency and angular selectivity of Bragg grating are very much affected by the laser dosage. The He-Cd laser with UV wavelength 325 nm is used. With the increase of UV dosage, the diffraction efficiency increases constantly. When the UV dosage increases to 0.6 J/m<sup>2</sup>, the diffraction efficiency of the grating reaches the maximum value of 80.02%., The efficiency will decrease as the UV dosage increases more than 0.6 J/m<sup>2</sup> and remain a stable value as the dosage reaches at 1.5 J/m<sup>2</sup>, while the grating absorption change is less than 5%. The grating angle selectivity remains stable as the dosage changes. The experiment results show that the increase of UV dosage enhances the silver containing particles absorption at work wavelength 532 nm. The transmitted diffraction light was attenuated and the diffraction efficiency decreased.<br/> &copy; 2018, Science Press. All right reserved.

Number of references:11

Main heading:Efficiency

Controlled terms:Absorption - Bragg gratings - Diffraction efficiency

Uncontrolled terms:Absorption changes - Angular selectivity - Diffraction characteristics - Diffraction light - Heat treatment process - Photo-thermo-refractive glass - UV dosage - Volume Bragg gratings

Classification code:741.3  Optical Devices and Systems - 802.3  Chemical Operations - 913.1  Production Engineering

Numerical data indexing:Percentage 5.00e+00%, Percentage 8.00e+01%, Size 2.10e-06m, Size 3.25e-07m, Size 5.32e-07m

DOI:10.3788/gzxb20184707.0705002

Database:Compendex

Compilation and indexing terms, Copyright 2018 Elsevier Inc.

<RECORD 8>

Accession number:20184406012273

Title:Optimum Design and Experiment Verification of Space Coaxial Reflective Secondary Mirror Support Structure

Title of translation:空间同轴反射式次镜支撑结构优化设计与实验验证

Authors:Sun, Yi (1, 2); Li, Fu (1); Yang, Jian-Feng (1); Qian, Chong-Sen (1, 2)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an; 710119, China; (2) University of Chinese Academy of Sciences, Beijing; 100049, China

Corresponding author:Li, Fu(lifu@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:47

Issue:7

Issue date:July 1, 2018

Publication year:2018

Article number:0722003

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:A sub-mirror support optimization model based on the outer envelope of the traditional secondary mirror support structure was established, according to the characteristics of the traditional coaxial reflective secondary mirror support structure. The variable density topology optimization method was used to optimize the model. According to the topology optimization results, a coaxial reflective secondary mirror support structure with an occlusion ratio of 0.085 was designed. The finite element simulation results show that the basic frequency and structural stiffness of the coaxial reflective secondary mirror support structure are significantly improved compared with the traditional three-wing and four-wing structures in the case of the same structure shielding ratio and mass. The optimized secondary mirror support structure was processed and a random vibration test was conducted. The test results show that the optimized basic frequency of the secondary mirror support structure is 470 Hz, the finite element simulation result is 477 Hz, and the relative error is within 2%, which verifies the reliability and authenticity of the finite element calculation model. The secondary mirror support structure is suitable for use in a coaxial reflective optical system that requires a lower mask ratio and higher stiffness.<br/> &copy; 2018, Science Press. All right reserved.

Number of references:21

Main heading:Shape optimization

Controlled terms:Finite element method - Ground supports - Mirrors - Modal analysis - Optical systems - Optical testing - Stiffness - Topology - Vibration analysis

Uncontrolled terms:Experiment verification - Finite element simulations - Mirror support optimizations - Random vibrations - Reflective optical system - Secondary mirror - Topology Optimization Method - Variable density methods

Classification code:741.3  Optical Devices and Systems - 921  Mathematics - 951  Materials Science

Numerical data indexing:Frequency 4.70e+02Hz, Frequency 4.77e+02Hz, Percentage 2.00e+00%

DOI:10.3788/gzxb20184707.0722003

Funding Details: Number; Acronym; Sponsor: U1231204; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2018 Elsevier Inc.

<RECORD 9>

Accession number:20184406012291

Title:Aerosol Extinction Retrieved with Optical Estimation Algorithm Based on Multi-axis Differential Optical Absorption Spectroscopy

Title of translation:基于多轴差分吸收光谱技术的最优估算法反演气溶胶消光廓线研究

Authors:Mou, Fu-Sheng (1); Luo, Jing (1); Li, Su-Wen (1); Wang, Jia-Wei (1); Shi, Rui-Rui (1); Wei, Min-Hong (1)

Author affiliation:(1) The College of Physics and Electronic Information, Huaibei Normal University, Huaibei; Anhui; 235000, China

Corresponding author:Li, Su-Wen(swli@chnu.edu.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:47

Issue:7

Issue date:July 1, 2018

Publication year:2018

Article number:0701002

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:A method for retrieving aerosol extinction coefficient vertical profile based on multi-axis differential absorption spectroscopy was studied, which is based on nonlinear optimal estimation algorithm. The aerosol extinction profile and optical thickness are retrieved from the concentration of O<inf>4</inf> gas differential diagonal column, combined with the atmospheric radiation transmission model, by the multi axis differential absorption spectrometer. Field observation experiments were carried out in Huaibei area in July and August, 2017. The difference between the simulated results of O<inf>4</inf> differential column with low elevation angle (less than 15 degrees) is higher than 0.9, and the aerosol state of troposphere is well retrieved. The study shows that the overall aerosol content in Huaibei is low in summer, and the daily average optical thickness of the two day high value weather (July 24th and August 12th) is 0.65 and 0.59, respectively, 1.6 times and 1.4 times the seasonal average. Through the aerosol extinction profile time series, we can see that the high values of aerosol over two days are below 0.5 km, and the pollution is mainly caused by local accumulation.<br/> &copy; 2018, Science Press. All right reserved.

Number of references:21

Main heading:Absorption spectroscopy

Controlled terms:Aerosols - Atmospheric optics - Atmospheric radiation - Light extinction - Optical properties - Spectrometers

Uncontrolled terms:Aerosol extinction coefficient - Column density - Differential absorption - Differential absorption spectroscopy - Differential optical absorption spectroscopy - MAX-DOAS - Optimal estimation algorithm - Radiation transmission

Classification code:443.1  Atmospheric Properties - 741.1  Light/Optics - 741.3  Optical Devices and Systems

Numerical data indexing:Size 5.00e+02m

DOI:10.3788/gzxb20184707.0701002

Funding Details: Number; Acronym; Sponsor: 11504121; NSFC; National Natural Science Foundation of China - Number; Sponsor: 1308085QF124; Natural Science Foundation of Anhui Province - Number; Sponsor: 1508085QD71; Natural Science Foundation of Anhui Province - Number; Acronym; Sponsor: 41475017; NSFC; National Natural Science Foundation of China - Number; Acronym; Sponsor: 41705012; NSFC; National Natural Science Foundation of China - Number; Acronym; Sponsor: 61275151; NSFC; National Natural Science Foundation of China - Number; Acronym; Sponsor: 91544104; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2018 Elsevier Inc.

<RECORD 10>

Accession number:20184406012286

Title:Broadband Tunable Filter Based on Square Loop Metamaterial

Title of translation:方环结构的宽频可调超材料滤波器

Authors:Zhao, Ya-Juan (1, 2); Zhou, Bi-Cheng (1, 2); Zhang, Han (1, 2); Zhang, Ting (1, 2); Li, Bao-Yi (1, 2); Wang, Dong-Hong (1, 2)

Author affiliation:(1) No.33 Research Institute of China Electronics Technology Group Corporation, Taiyuan; 030006, China; (2) Electromagnetic Protection Materials and Technology Key Laboratory of Shanxi Province, Taiyuan; 030006, China

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:47

Issue:7

Issue date:July 1, 2018

Publication year:2018

Article number:0723003

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:The loading technology of microcontroller circuit was used to change the spatial distribution of relative permittivity and relative permeability in different time, the metamaterials spatial filter can be tuned in frequency. A square loop metamaterial filter was designed with unit structure size of 18.5 mm&times;18.5 mm, which can be continuously tunable in the X band by loading varactor diode on the unit structure. When the varactor diode increases from 0.15 pF to 0.70 pF, the simulation results show that the center frequency of the filter is decreased from 11.8 GHz to 10.5 GHz, the bandwidth is 16.3% (10.2~12.0 GHz), and the return loss minimum is 22 dB, the insertion loss maximum is 0.6 dB. The measured results show that the center frequency of the filter is decreased from 11.7 GHz to 10.3 GHz, the bandwidth is 17.2% (10.1~12.0 GHz), and the return loss minimum is 25 dB, the insertion loss maximum is 0.5 dB.<br/> &copy; 2018, Science Press. All right reserved.

Number of references:19

Main heading:Microwave filters

Controlled terms:Bandwidth - Diodes - Insertion losses - Metamaterials - Varactors

Uncontrolled terms:Broadband - Center frequency - Filter - Frequency tunable - Measured results - Relative permeability - Relative permittivity - Spatial filters

Classification code:703.2  Electric Filters - 714.2  Semiconductor Devices and Integrated Circuits - 716.1  Information Theory and Signal Processing - 951  Materials Science

Numerical data indexing:Capacitance 1.50e-13F to 7.00e-13F, Decibel 2.20e+01dB, Decibel 2.50e+01dB, Decibel 5.00e-01dB, Decibel 6.00e-01dB, Frequency 1.01e+10Hz to 1.20e+10Hz, Frequency 1.02e+10Hz to 1.20e+10Hz, Frequency 1.17e+10Hz to 1.03e+10Hz, Frequency 1.18e+10Hz to 1.05e+10Hz

DOI:10.3788/gzxb20184707.0723003

Funding Details: Number; Acronym; Sponsor: U1710115; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2018 Elsevier Inc.

<RECORD 11>

Accession number:20184406012282

Title:Generation Theory and Experimental Study of Two Stage Non-diffracting Beam

Title of translation:双级无衍射光束的生成理论与实验研究

Authors:Yang, Gui-Yang (1); Ma, Guo-Lu (1); Zeng, Guo-Ying (1)

Author affiliation:(1) Ministry of Education Key Laboratory of Testing Technology for Manufacturing Process, Southwest University of Science and Technology(SWUST), Mianyang; Sichuan; 621010, China

Corresponding author:Ma, Guo-Lu(maguolu999@163.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:47

Issue:7

Issue date:July 1, 2018

Publication year:2018

Article number:0708003

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:In order to complete the transmission and transformation theory of multilevel non-diffracting beam and to expend the application range of two stage non-diffracting beam, the light field distribution of two stage non-diffracting beam was analyzed in detail on the basis of the axicon method and Fresnel diffraction theory. Based on the axicon method, an experimental platform for generating two stage non-diffraction beams is constructed. The cross section spots and their light intensity distributions transmitted along the optical axis at different distances are obtained. The influence of different incidence angles of parallel beams on the propagation and transformation of non-diffracting beams is investigated. Experimental results show that the two stage non-diffracting diffraction light field is composed of four regions, in the interference overlap region, the light intensity is the superposition coupling of the diffraction fields of the first and second axicons, the rest of the region remain the propagation characteristics of the single stage non-diffracting beam. The light intensity is influenced by the incident aperture and the bottom angle of the axicon lens. The rupture degree of the spot is positively correlated with the inclination of parallel beam. In this paper, the spatial propagation characteristics, the intensity distribution characteristics and the influence factors of the light intensity are analyzed in detail, which has an important directive significance to extend the application field of multilevel non-diffracting beams.<br/> &copy; 2018, Science Press. All right reserved.

Number of references:25

Main heading:Diffraction

Controlled terms:Bottles - Diffraction gratings - Geometrical optics

Uncontrolled terms:Axicon method - Bessel beam - Bottle beams - Diffraction theory - Nondiffracting beam

Classification code:694.2  Packaging Materials - 741.1  Light/Optics - 741.3  Optical Devices and Systems

DOI:10.3788/gzxb20184707.0708003

Funding Details: Number; Acronym; Sponsor: 17ycs132; SWUST; Southwest University of Science and Technology - Number; Acronym; Sponsor: 61505169; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2018 Elsevier Inc.

<RECORD 12>

Accession number:20184406012270

Title:Defocus Camera Calibration Based on Sinusoidal Phase Coding

Title of translation:基于正弦相位编码的相机离焦标定

Authors:Yang, Hao (1); Cai, Ning (1); Lin, Bin (1, 2); Cao, Xiang-Qun (1)

Author affiliation:(1) State Key Laboratory of Modern Optical Instrumentation, CNERC for Optical Instrument, Zhejiang University, Hangzhou; 310027, China; (2) Research Institute of Zhejiang University-Taizhou, Taizhou; Zhejiang; 318000, China

Corresponding author:Lin, Bin(wjlin@zju.edu.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:47

Issue:7

Issue date:July 1, 2018

Publication year:2018

Article number:0715002

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:The influence of the defocus state of the optical system on the phase of structured light based on sine grating, abbreviated as sinusoidal structured light, was analyzed. Based on the property that the sinusoidal structured light phase is independent of the camera's focusing state, a method of calibrating the camera in the defocus state using a phase-shifted sinusoidal-structured-light-encoded display panel is proposed. The Floyd-Steinberg Dithering algorithm is used to eliminate the structured light phase calculation errors caused by the gamma conversion of the display panel. This method makes the accurate extraction of the feature points of the calibration object under the defocus state come true. The calibration result has a reprojection error of 0.17 pixels. The calibration error of the camera focal length is within 0.39%. The calibration accuracy was improved compared to traditional methods. A solution for the calibration of cameras with a special imaging range was provided.<br/> &copy; 2018, Science Press. All right reserved.

Number of references:20

Main heading:Calibration

Controlled terms:Cameras - Errors - Optical systems - Phase matching - Phase shift - Photographic equipment

Uncontrolled terms:Calibration accuracy - Calibration error - Camera calibration - Camera focal length - Defocusing - Gamma conversion - Reprojection error - Structured Light

Classification code:713  Electronic Circuits - 741.3  Optical Devices and Systems - 742.2  Photographic Equipment

Numerical data indexing:Percentage 3.90e-01%

DOI:10.3788/gzxb20184707.0715002

Database:Compendex

Compilation and indexing terms, Copyright 2018 Elsevier Inc.

<RECORD 13>

Accession number:20184406012278

Title:Experimental Study on Micro Quantitative Phase Imaging by Quadriwave Shearing Interferometry

Title of translation:基于四波前剪切干涉的显微定量相位成像实验研究

Authors:Cui, Bo-Chuan (1, 2); Wang, Jian-Li (1); Yao, Kai-Nan (1); Chen, Tao (1)

Author affiliation:(1) Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun; 130000, China; (2) Universite of Chinese Academy of Sciences, Beijing; 100000, China

Corresponding author:Wang, Jian-Li(wangjianli@ciomp.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:47

Issue:7

Issue date:July 1, 2018

Publication year:2018

Article number:0718001

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:A micro quantitative phase imaging method based on quadriwave shearing interferometry is proposed. A chessboard phase grating is used to get the interferogram of biological samples, and the phase information is obtained by the fast Fourier transform method. A pack of wavefront produced by the micro-electromechanical systems is measured, and the ZYGO interferometer is used for comparision. The error of phase measurement is not more than 3%, which verifies phase detection accuracy of the quadriwave shearing interferometer. A quantitative phase imaging system based on the quadriwave shearing interferometry is established, and a clear quantitative phase image is obtained from murine hepatoma cell. The experimental results show that the system based on the quadriwave shearing interferometry can achieve high-precision quantitative phase imaging, and is suitable for phase imaging of biological living cells.<br/> &copy; 2018, Science Press. All right reserved.

Number of references:15

Main heading:Interferometry

Controlled terms:Fast Fourier transforms - Interferometers - MEMS - Phase measurement - Phase modulation - Shearing - Wavefronts

Uncontrolled terms:Biological samples - Fast fourier transform methods - Micro electro mechanical system - Phase information - Quantitative phase imaging - Shearing interferometer - Shearing interferometry - Zygo interferometer

Classification code:604.1  Metal Cutting - 704.2  Electric Equipment - 921.3  Mathematical Transformations - 941.3  Optical Instruments - 941.4  Optical Variables Measurements - 942.2  Electric Variables Measurements

Numerical data indexing:Percentage 3.00e+00%

DOI:10.3788/gzxb20184707.0718001

Funding Details: Number; Acronym; Sponsor: 11603024; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2018 Elsevier Inc.

<RECORD 14>

Accession number:20184406012285

Title:Tunable Pass-band Filter Based on One Dimensional Split Ring Resonant Structure

Title of translation:基于一维金属开口谐振环的可调带通滤波器

Authors:Zhang, Hao (1); Tong, Yuan-Wei (1)

Author affiliation:(1) College of Science, University of Shanghai for Science and Technology, Shanghai; 200093, China

Corresponding author:Tong, Yuan-Wei(tyw0991@usst.edu.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:47

Issue:7

Issue date:July 1, 2018

Publication year:2018

Article number:0723002

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:Based on equivalent LC resonant circuit, the response between the resonance frequency and the electric parameters of the equivalent circuit were analyzed. Different from the traditional transmission line loaded with split-ring resonator structure, two different split-ring resonator structures were designed as the transmission medium. In consequence, two passband filters are achieved in this paper which bandwidth are 300 MHz and 200 MHz with square and circular split-ring resonator respectively, by loading with varactor and bias circuit in the split-ring resonator structure, two continuous tunable passband filters are finished in the end. The difference in surface current density between the square and circular split-ring resonator is given in this paper, the transmission coefficient of the square split-ring resonator is 3dB higher than the circulal's within the passband, analysis shows the effective distance is one of important reason for the coupling efficiency.<br/> &copy; 2018, Science Press. All right reserved.

Number of references:23

Main heading:Bandpass filters

Controlled terms:Electric network analysis - Equivalent circuits - Metamaterials - Optical resonators - Resonant circuits - Ring gages

Uncontrolled terms:Electromagnetic properties - Pass-band filters - Resonance frequencies - Split ring resonator - Square split-ring resonators - Surface current density - Transmission coefficients - Tunable

Classification code:703.1.1  Electric Network Analysis - 703.2  Electric Filters - 741.3  Optical Devices and Systems - 943.3  Special Purpose Instruments - 951  Materials Science

Numerical data indexing:Decibel 3.00e+00dB, Frequency 2.00e+08Hz, Frequency 3.00e+08Hz

DOI:10.3788/gzxb20184707.0723002

Funding Details: Number; Acronym; Sponsor: 11504236; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2018 Elsevier Inc.

<RECORD 15>

Accession number:20184406012265

Title:Non-casual Real-time RXD Detection for Hyperspectral Imagery Based on Sliding Array

Title of translation:基于滑动阵列的高光谱图像非因果实时RXD检测

Authors:Zhao, Liao-Ying (1); Lin, Wei-Jun (1); Wang, Yu-Lei (2, 4); Li, Xiao-Run (3)

Author affiliation:(1) School of Computer Science Technology, Hangzhou Dianzi University, Hangzhou; 310018, China; (2) Information and Technology College, Dalian Maritime University, Dalian; Liaoning; 116026, China; (3) College of Electrical Engineering, Zhejiang University, Hangzhou; 310027, China; (4) Key Laboratory of Spectral Imaging Technology of Chinese Academy of Sciences, Xi'an; 710119, China

Corresponding author:Wang, Yu-Lei(wangyulei@dlmu.edu.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:47

Issue:7

Issue date:July 1, 2018

Publication year:2018

Article number:0710001

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:To reduce the storage and transmission burden of massive hyperspectral data as well as keep detecting the anomaly targets accurately and rapidly, a novel non-causal real-time anomaly detection algorithm based on sliding array window is proposed. During receiving the data pixel-by-pixel, the array window slides and determines the local background pixels; and according to the Woodbury lemma, the computation of the matrix inverse of local background can be replaced by the vector multiplication and matrix additions equivalently, then the anomaly pixel in the center of the sliding array window would be detected when receiving the data pixel-by-pixel. The experiments on synthetic and real-world hyperspectral images demonstrate that, compared with several existing real-time detection methods, the proposed method can improve the performance of detection accuracy or computational efficiency. Compared with the non-real-time sliding array RXD anomaly detector, the proposed algorithm has a lower time complexity, and the speedup ratio is nearly 26 times when processing an image with 200&times;200 pixels and 189 bands. Experimental results verified that the proposed algorithm could maintain the detection accuracy as well as meet the real-time requirements of low computational complexity and low storage space.<br/> &copy; 2018, Science Press. All right reserved.

Number of references:19

Main heading:Radar target recognition

Controlled terms:Computational efficiency - Covariance matrix - Digital storage - Image enhancement - Inverse problems - Pixels - Signal detection - Spectroscopy - Transfer matrix method

Uncontrolled terms:Hyper-spectral imageries - HyperSpectral - Low computational complexity - Real time algorithms - Real time requirement - Real-time anomaly detections - Recursive calculations - Sliding array

Classification code:716.1  Information Theory and Signal Processing - 716.2  Radar Systems and Equipment - 722.1  Data Storage, Equipment and Techniques - 921  Mathematics

DOI:10.3788/gzxb20184707.0710001

Funding Details: Number; Acronym; Sponsor: 61571170; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2018 Elsevier Inc.

<RECORD 16>

Accession number:20184406012268

Title:Experimental Investigation on Nonlinear Dynamics of a Multi-transverse Mode 1 550 nm Vertical-cavity Surface-emitting Laser Subject to Parallel Optical Injection

Title of translation:平行光注入多横模1 550 nm垂直腔面发射激光器的非线性动力学实验研究

Authors:Yang, Wen-Yan (1, 2); Xia, Guang-Qiong (1); Hou, Yu-Shuang (1, 3); Jiang, Zai-Fu (1); Deng, Tao (1); Wu, Zheng-Mao (1)

Author affiliation:(1) School of Physical Science and Technology, Southwest University, Chongqing; 400715, China; (2) School of Mathematics and Physics, Chongqing University of Science and Technology, Chongqing; 401331, China; (3) School of Science, Inner Mongolia University of Science and Technology, Baotou; Inner Mongolia Autonomous Region; 014010, China

Corresponding author:Wu, Zheng-Mao(zmwu@swu.edu.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:47

Issue:7

Issue date:July 1, 2018

Publication year:2018

Article number:0714002

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:The nonlinear dynamics of a multi-transverse mode 1550 nm vertical-cavity surface-emitting laser (1550 nm-VCSEL) under parallel optical injection is experimentally investigated. For a free-running 1550 nm-VCSEL biased at a suitable current, the fundamental and high-order modes can oscillate simultaneously and dominantly operate at the Y Linear Polarizations (Y-LPs). After introducing a Continuous Wave (CW) injection with the polarized direction along Y-LP of the free-running 1 550 nm-VCSEL (named as parallel optical injection), two different scenarios have been investigated experimentally, namely the frequency of injected CW (&nu;<inf>inj</inf>) is close to the fundamental transverse mode frequency (&nu;<inf>fy</inf>) (the frequency detuning is defined as &Delta;&nu;<inf>f</inf>=&nu;<inf>inj</inf>-&nu;<inf>fy</inf>) or the high-order transverse mode frequency (&nu;<inf>fy</inf>) (the frequency detuning is defined as &Delta;&nu;<inf>h</inf>=&nu;<inf>inj</inf>-&nu;<inf>hy</inf>). For the first case, the results show that, during the process of continuously increasing injection power (P<inf>inj</inf>), the fundamental mode undergoes diverse dynamical states, but less dynamical states are observed for the high-order mode. With the increase of P<inf>inj</inf>, the output power of the high-order mode is decreased gradually. For a strong enough P<inf>inj</inf>, the high-order mode can be totally suppressed and therefore the laser operates at single transverse mode, i. e. the mode selection for the fundamental mode achieves. With the increase of &Delta;&nu;<inf>f</inf>, the minimal injection power required for achieving the fundamental transverse mode selection (P<inf>inj,min</inf>) decreases firstly, after reaches a minimum, and then increases. The larger the biased current, the larger the value of P<inf>inj,min</inf>. For the second case, during the process of increasing P<inf>inj</inf>, both high-order mode and fundamental transverse mode undergo multiple dynamical states. However, the phenomena that the fundamental transverse mode is suppressed has not been observed, i. e. the mode selection for high-order mode cannot be realized.<br/> &copy; 2018, Science Press. All right reserved.

Number of references:25

Main heading:Surface emitting lasers

Controlled terms:Dynamics - Laser pulses - Lasers - Microoptics - Nonlinear optics - Optical waveguides - Transceivers

Uncontrolled terms:Experimental investigations - High order transverse modes - Linear polarization - Mode selection - Multi-transverse mode - Optical injection - Single transverse modes - Transverse mode selection

Classification code:716.3  Radio Systems and Equipment - 741  Light, Optics and Optical Devices - 744.1  Lasers, General - 744.7  Laser Components

Numerical data indexing:Size 1.55e-06m

DOI:10.3788/gzxb20184707.0714002

Funding Details: Number; Acronym; Sponsor: 61475127; NSFC; National Natural Science Foundation of China - Number; Acronym; Sponsor: 61575163; NSFC; National Natural Science Foundation of China - Number; Acronym; Sponsor: 61674123; NSFC; National Natural Science Foundation of China - Number; Acronym; Sponsor: 61775184; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2018 Elsevier Inc.

<RECORD 17>

Accession number:20184406012287

Title:Truncated Singular Value Decomposition Inversion Based on Extended Nuclear Matrix in Dynamic Light Scattering

Title of translation:基于核矩阵扩展的动态光散射截断奇异值分解反演

Authors:Huang, Yu (1); Shen, Jin (1); Xu, Min (1); Sun, Cheng (1); Liu, Wei (1); Sun, Xian-Ming (1); Wang, Ya-Jing (1)

Author affiliation:(1) School of Electrical and Electronic Engineering, Shandong University of Technology, Zibo; Shandong; 255049, China

Corresponding author:Shen, Jin(shenjin@sdut.edu.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:47

Issue:7

Issue date:July 1, 2018

Publication year:2018

Article number:0729001

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:In order to solve the problem of particle size information loss in dynamic light scattering inversion by truncated singular value decomposition method, on the base of analyzing the difference of particle size information distribution in autocorrelation function at different delay time, extended truncated singular value decomposition method was proposed which uses nuclear matrix and particle size information distribution in autocorrelation function at different delay time in the same angle to build the extended nuclear matrix. The method adjusts the contribution of the original nucleus matrix datas to the SNR at the same time using the particle size information at each delay time in the autocorrelation function, thereby preserves more effective singular values and reduces information loss due to singular value truncation. On the basis of ensuring noise reduction, the information utilization for the autocorrelation function is improved. At noise level 1&times;10<sup>-3</sup>, the datas a set of single peak width distribution (260 nm) and three sets of bimodal particle distributions (250/750 nm), (270/800 nm) and (306/974 nm) simulated in dynamic light scattering in single angle, 3 angles and 6 angles was inverted. The results show that, compared with truncated singular value decomposition method, the peak size errors and distribution errors obtained by extended truncated singular value decomposition method are obviously reduced. The inversion of the measured datas for 306/974 nm particle system in 6-angles shows that the peak particle size error obtained by the extended truncated singular value decomposition method is reduced from 0.032/0.016 by the truncated singular value decomposition method to 0.029/0.006, and peak ratio is closer to actual value.<br/> &copy; 2018, Science Press. All right reserved.

Number of references:16

Main heading:Singular value decomposition

Controlled terms:Autocorrelation - Dynamic light scattering - Errors - Information dissemination - Inverse problems - Noise abatement - Particle size - Particle size analysis - Signal to noise ratio

Uncontrolled terms:Autocorrelation functions - Bimodal particles - Effective singular values - Information utilization - Particle size information - Particle systems - Truncated singular value decomposition - Truncated singular value decomposition method

Classification code:716.1  Information Theory and Signal Processing - 741.1  Light/Optics - 751.4  Acoustic Noise - 903.2  Information Dissemination - 921  Mathematics - 951  Materials Science

Numerical data indexing:Size 2.60e-07m

DOI:10.3788/gzxb20184707.0729001

Funding Details: Number; Sponsor: ZR2016EL16; Natural Science Foundation of Shandong Province - Number; Sponsor: ZR2017LF026; Natural Science Foundation of Shandong Province - Number; Sponsor: ZR2017MF009; Natural Science Foundation of Shandong Province - Number; Sponsor: ZR2018MF032; Natural Science Foundation of Shandong Province

Database:Compendex

Compilation and indexing terms, Copyright 2018 Elsevier Inc.

<RECORD 18>

Accession number:20184406012271

Title:Design of a Single Lens Laser Triangulation Probe Based on PSD

Title of translation:基于PSD的单透镜激光三角测头设计

Authors:Zhang, Xin-Ting (1); Kang, Lei (2); An, Zhi-Yong (1); Wang, Run-Zhi (1)

Author affiliation:(1) School of Optical and Electronic Information Changchun University of Science and Technology, Changchun; 130022, China; (2) CRRC Changchun Railway Vehicles Co., LTD, Changchun; 130062, China

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:47

Issue:7

Issue date:July 1, 2018

Publication year:2018

Article number:0722001

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:Based on the traditional direct laser triangulation method, a single lens laser triangulation probe based on position sensitive detector was designed. A beam splitter is introduced, and the focus lens and the imaging lens are merged into one. In the spatial layout, making the beam splitter, detector and condensing lens are coaxial. The structure of the system is more compact, and the Scheimpflug condition satisfying the structure is derived. The optical system is simulated by Zemax optical design software, the focal length of the system is 20 mm, the diameter of the pupil is 4 mm, and the total length is 20.5 mm, so that the miniaturization of the measurement system can be realized. At the same time, the nonlinear correction of the position sensitive detector and the related signal processing are carried out to ensure a greater working range on the premise of higher measurement accuracy, and make the system and improve the adaptability of the system to the measurement environment. It can be widely applied to industrial real-time online detection and other fields.<br/> &copy; 2018, Science Press. All right reserved.

Number of references:12

Main heading:Lenses

Controlled terms:Miniature instruments - Optical design - Optical instruments - Optical sensors - Optical systems - Prisms - Probes - Signal processing - Triangulation

Uncontrolled terms:Laser triangulation - Laser triangulation method - Measurement accuracy - Miniaturization - Nonlinear correction - Optical-design software - Position-Sensitive Detectors - Scheimpflug condition

Classification code:405.3  Surveying - 716.1  Information Theory and Signal Processing - 741.1  Light/Optics - 741.3  Optical Devices and Systems - 941.3  Optical Instruments

Numerical data indexing:Size 2.00e-02m, Size 2.05e-02m, Size 4.00e-03m

DOI:10.3788/gzxb20184707.0722001

Database:Compendex

Compilation and indexing terms, Copyright 2018 Elsevier Inc.

<RECORD 19>

Accession number:20184406012283

Title:Generation of Partially Coherent Caustic Beam and Its Spatial Correlation Properties

Title of translation:部分相干焦散光束的形成及其相干特性

Authors:Yang, Yan-Fei (1); Wu, Feng-Tie (1); Hu, Han-Qing (1); Hu, Run (1); Zhu, Qing-Zhi (1)

Author affiliation:(1) Fujian Key Laboratory of Light Propagation and Transformation, College of Information Science and Engineering, Huaqiao University, Xiamen; Fujian; 361021, China

Corresponding author:Wu, Feng-Tie(fengtie@hqu.edu.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:47

Issue:7

Issue date:July 1, 2018

Publication year:2018

Article number:0708004

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:A new method is introduced by using the cross-spectral density function to describe the caustics beam, which is extended from fully coherent cases to the field of partially coherent cases for the first time. And the propagation formula of caustics beam is derived in the free space combined with the Fresnel Kirchhoff diffraction integral theroy. The influence of astigmatism introduced by tilted axicon at various inclination angles on partially coherent caustic beam with respect to the propagation axis was studied theoretically and experimentally. Furthermore, the partially coherent caustics beam is invested that is effected by the field coherence on the partially coherent caustic beam. Results show that the intensity contrast ratio between light focus and the surrounding dark regions can be reduced with the decrease of the spatial coherent lengths.<br/> &copy; 2018, Science Press. All right reserved.

Number of references:26

Main heading:Scintillation

Controlled terms:Spectral density

Uncontrolled terms:Axicon - Caustics beam - Coherent length - Cross spectral densities - Fresnel-kirchhoff diffraction integrals - Inclination angles - Partially coherent - Spatial correlations

Classification code:741.1  Light/Optics

DOI:10.3788/gzxb20184707.0708004

Funding Details: Number; Acronym; Sponsor: 11774103; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2018 Elsevier Inc.

<RECORD 20>

Accession number:20184406012277

Title:Static Analysis and Modal Analysis of Planar Solar Concentrator

Title of translation:平板型太阳能聚光器的静力分析和模态分析

Authors:Liu, Xin-Ran (1); Zhang, Ning (1); Xu, Xi-Ping (1); Yin, Peng (1)

Author affiliation:(1) College of Photoelectrical Engineering, Changchun University of Science and Technology, Changchun; 130022, China

Corresponding author:Zhang, Ning(custzn@126.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:47

Issue:7

Issue date:July 1, 2018

Publication year:2018

Article number:0712004

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:In order to solve the problem of the drop of the condenser efficiency caused by the non-uniform force of the flat panel solar concentrator, an assembly method using nine array lenses as the condenser module was proposed. The air gap between the condenser module array and the optical waveguide board was set to 2 mm. Linear static analysis and modal analysis of flat solar concentrators were performed using ANSYS software. The set wind speed was 18 m/s, which was higher than the index level of 14 m/s, and the modal analysis fundamental frequency of the concentrator was 0.038 s. It is not necessary to take into account the dynamic influence conditions for the structural rigidity. The displacement of the concentrator and the optical waveguide plate structure under the condition of extreme static wind load and the modal coefficients of the first six orders in the corresponding case were discussed. The results show that the maximum displacement of the air gap between the concentrator and the optical waveguide plate structure is 0.049 mm, meeting the accuracy requirement. In the five kinds of the angle condition, the difference between the front 6 modes modal shape prestressed and processing mode shape is within 1%, and the corresponding shape patterns are similar. It is proved that the wind load has no effect on the mode shape.<br/> &copy; 2018, Science Press. All right reserved.

Number of references:19

Main heading:Modal analysis

Controlled terms:Aerodynamic loads - Concentration (process) - Finite element method - Optical waveguides - Plates (structural components) - Prestressing - Solar concentrators - Static analysis - Vibration analysis - Wind stress

Uncontrolled terms:Condenser efficiency - Fundamental frequencies - Linear static analysis - Maximum displacement - Modal parameters - Spotlight module - Structural rigidity - Vibration characteristics

Classification code:408.2  Structural Members and Shapes - 443.1  Atmospheric Properties - 651.1  Aerodynamics, General - 657.1  Solar Energy and Phenomena - 714.3  Waveguides - 723.5  Computer Applications - 921  Mathematics - 921.6  Numerical Methods

Numerical data indexing:Percentage 1.00e+00%, Size 2.00e-03m, Size 4.90e-05m, Time 3.80e-02s, Velocity 1.40e+01m/s, Velocity 1.80e+01m/s

DOI:10.3788/gzxb20184707.0712004

Database:Compendex

Compilation and indexing terms, Copyright 2018 Elsevier Inc.

<RECORD 21>

Accession number:20184406012276

Title:Random Error Compensation Technology of MEMS Gyroscope Based on Time-varying ARMA Model

Title of translation:基于时变ARMA模型的MEMS陀螺随机误差补偿技术

Authors:Song, Jin-Long (1); Shi, Zhi-Yong (1); Wang, L&uuml;-Hua (1); Wang, Hai-Liang (1)

Author affiliation:(1) Army Engineering University, Shijiazhuang; 050003, China

Corresponding author:Shi, Zhi-Yong(szy651010@163.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:47

Issue:7

Issue date:July 1, 2018

Publication year:2018

Article number:0712003

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:In order to improve the measurement accuracy of Micro Electro Mechanical System (MEMS) gyroscope, a time varying Auto-Regressive and Moving Average (ARMA) Model compensation method based on forgetting factor recursive least squares estimation was proposed. According to the measured MEMS gyro random drift signal without trend item, the stability was analyzed by the subsection test and the time varying ARMA was built with the suitable basis function and subspace dimension. The model parameters were estimated with the Forgetting Factor Recursive Least Square (FFRLS) method by setting forgetting factor to make it possible that the model parameters can reflect the dynamic change of the signal. For the time varying parameters with slight fluctuation, the 5 order polynomial was used to fit the parameters of the time-varying model, and an analytical method was proposed to optimize the parameters, so as to establish the optimal random drift model. And the modeling results were applied to Kalman filter for random drift compensation. The compensation results of the proposed method were compared with the compensation results of the time invariant ARMA modeling compensation method. The comparison results indicated that the variance of the signal with the proposed method compensation is nearly 40% reduced by the variance of the signal with the time invariant ARMA model compensation. So the compensation precision of MEMS gyro random drift was improved effectively.<br/> &copy; 2018, Science Press. All right reserved.

Number of references:16

Main heading:MEMS

Controlled terms:Error compensation - Gyroscopes - Least squares approximations - Mechanics - Position control - Random processes

Uncontrolled terms:Micro electro mechanical system - Moving average model - Random drift - Recursive least square methods - Sensor technologies

Classification code:704.2  Electric Equipment - 731.3  Specific Variables Control - 921.6  Numerical Methods - 922.1  Probability Theory - 931.1  Mechanics

Numerical data indexing:Percentage 4.00e+01%

DOI:10.3788/gzxb20184707.0712003

Database:Compendex

Compilation and indexing terms, Copyright 2018 Elsevier Inc.

<RECORD 22>

Accession number:20184406012279

Title:3D Trap Stiffness Measurement of Holographic Tweezers Based on Vision Theory and Hydrodynamic Method

Title of translation:基于视觉原理和流体力学法的全息光镊三维光阱刚度测量

Authors:He, Wei (1); Li, Jing (1)

Author affiliation:(1) Department of Precision Machinery and Precision Instrument, University of Science and Technology of China, Hefei; 230027, China

Corresponding author:Li, Jing(lijing@ustc.edu.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:47

Issue:7

Issue date:July 1, 2018

Publication year:2018

Article number:0718002

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:In order to test the capture ability of holographic optical tweezers, an optical measurement system based on vision theory was used to measure the 3D trap stiffness of holographic optical tweezers. In the optical system, two symmetrically distributed light sources irradiated the sample cell to form two images. The 3D positions of the microspheres captured by the holographic optical tweezers were obtained by tracking the displacements of their images. Combined with hydrodynamic method, the trap stiffness of the single and double optical traps was measured. The experimental results show that in a single optical trap, there is little difference between X and Y horizontal trap stiffness, and the axial trap stiffness falls in the range of 1/3 to 1/4 of the horizontal direction; in double optical traps, the three-dimensional stiffness of the optical trap near the optical axis is larger than that an a far distance, which demonstrates that the closer to the diffraction center, the higher the diffraction efficiency of light, and the stronger the capture ability of the optical trap.<br/> &copy; 2018, Science Press. All right reserved.

Number of references:23

Main heading:Optical tweezers

Controlled terms:Diffraction - Holography - Hydrodynamics - Image processing - Light sources - Optical data processing - Optical systems - Stiffness

Uncontrolled terms:3D positions - Holographic optical tweezers - Optical axis - Optical measurement systems - Three-dimensional stiffness - Trap stiffness - Trap stiffness measurement - Vision theory

Classification code:723.2  Data Processing and Image Processing - 741.3  Optical Devices and Systems - 743  Holography - 744.9  Laser Applications - 746  Imaging Techniques - 951  Materials Science

DOI:10.3788/gzxb20184707.0718002

Funding Details: Number; Acronym; Sponsor: 91023049; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2018 Elsevier Inc.

<RECORD 23>

Accession number:20184406012272

Title:Gravity and Support Error Separation of 1.2 m Lightweight Space Mirror

Title of translation:1.2 m轻量化空间反射镜的重力支撑变形分离

Authors:Zhang, Long (1, 2); Ye, Lu (1); Zhang, Jin-Ping (1); Zheng, Lie-Hua (1)

Author affiliation:(1) Institute of Technical Physics of The Chinese Academy of Sciences, Shanghai; 200083, China; (2) University of Chinese Academy of Sciences, Beijing; 100049, China

Corresponding author:Zheng, Lie-Hua(dimo818@126.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:47

Issue:7

Issue date:July 1, 2018

Publication year:2018

Article number:0722002

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:The test result of space mirror figure in the ground environment is mainly composed of the surface processing residual and the distortion caused by gravity and support. In order to realize the gravity-support distortion separation of the 1.2 m lightweight space reflector, by testing mirror with equal gradient support forces, the relationship between mirror figure distortion and the change of support forces is obtained from the mirror mechanical response, which can be used as a basis for judging the result of finite element simulation and optimizing finite element model. After removing the mirror figure distortion calculated with the corrected model from the mirror test result, the surface processing residual is obtained. The research shows that the differece of mirror distortion change caused by 100 N supporting force change between the result calculated with the corrected model and the test result is &le;0.001&lambda;, without the effects of gravity and support, the surface processing residual of space mirror with test result rms 1/30&lambda; is better than 1/40&lambda;. This result can not only guide the high precision surface polishing, but also improving the alignment precision of final system.<br/> &copy; 2018, Science Press. All right reserved.

Number of references:16

Main heading:Optical testing

Controlled terms:Finite element method - Mirrors - Separation - Surface testing - Testing

Uncontrolled terms:Change of support - Error separation - Finite element simulations - Large aperture - Mechanical response - Optical fabrication - Supporting forces - Surface processing

Classification code:741.3  Optical Devices and Systems - 802.3  Chemical Operations - 921.6  Numerical Methods

Numerical data indexing:Force 1.00e+02N, Size 1.20e+00m

DOI:10.3788/gzxb20184707.0722002

Database:Compendex

Compilation and indexing terms, Copyright 2018 Elsevier Inc.

<RECORD 24>

Accession number:20184406012289

Title:Hydrothermal Synthesis and the Study of Fluorescence Properties of AgInS<inf>2</inf> Quantum Dots

Title of translation:AgInS<inf>2</inf>量子点的水热合成及其荧光性能的研究

Authors:Hu, Xiao-Bo (1); Chen, Ting (1, 2); Xu, Yan-Qiao (1); Zhang, Xiao-Jun (1); Jiang, Wei-Hui (1, 2); Jiang, Wan (2)

Author affiliation:(1) Jingdezhen Ceramic Institute, Jingdezhen; Jiangxi; 333001, China; (2) National Engineering Research Center for Domestic &amp; Building Ceramics, Jingdezhen; Jiangxi; 333001, China

Corresponding author:Chen, Ting(chenting@jci.edu.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:47

Issue:7

Issue date:July 1, 2018

Publication year:2018

Article number:0716002

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:Water-soluble AgInS<inf>2</inf> quantum dots were synthesized via hydrothermal method using L-glutathione and sodium citrate as ligands. The effects of cation concentration, addition amount of ligands and pH values on the phase, morphology and fluorescence properties of AgInS<inf>2</inf> quantum dots were systematically studied by X-ray diffraction, transmission electron microscopy, UV-Vis absorption spectra and photoluminescence spectra, respectively. The results showed that the particle size of AgInS<inf>2</inf> quantum dots increased with the increase of cation concentration, which caused a systematic red shift from 614.7 nm to 675.6 nm in the photoluminescence spectra. Meanwhile, the Ag<sup>+</sup> content in quantum dots decreased slightly due to the substitution of Ag<sup>+</sup> by In<sup>3+</sup>, and the resulted defect of In<inf>Ag</inf> could be served as the radiation recombination channel of excitons in AgInS<inf>2</inf> quantum dots, which was propitious to improve its fluorescence emission efficiency. The fluorescence intensity of AgInS<inf>2</inf> quantum dots reached to the maximum with the cation concentration of 0.7 mmol/L. Moreover, the ligands can effectively passivate the surface states and improve fluorescence properties of quantum dots. The AgInS<inf>2</inf> quantum dots showed the strongest emission with the glutathione/Ag<sup>+</sup> ratio at 20, and the sodium citrate/In<sup>3+</sup> ratio at 7. The maximum quantum yields of AgInS<inf>2</inf> quantum dots reached 10.1% due to the pronounced passivating effect on surface defects by ligands when the pH value of the solution was adjusted to 9, however the high pH values interfered with the combination between ligands and quantum dots, which induced a large number of surface non-radiative recombination defects, leading to the decrease of quantum yields. The infrared spectrometry results showed that glutathione and sodium citrate were mainly coordinated with AgInS<inf>2</inf> quantum dots by the -SH, -NHR and -COO<sup>-</sup> groups. In addition, the surface of quantum dots was negatively charged, which demonstrates that the AgInS<inf>2</inf> quantum dots possess good dispersibility and excellent chemical stability, showing wide application prospects in the biological imaging fields.<br/> &copy; 2018, Science Press. All right reserved.

Number of references:40

Main heading:Fluorine compounds

Controlled terms:Binary alloys - Chemical stability - Convergence of numerical methods - Fluorescence - High resolution transmission electron microscopy - Hydrothermal synthesis - Infrared spectroscopy - Ligands - Nanocrystals - Particle size  - Peptides - pH effects - Photoluminescence - Positive ions - Quantum yield - Semiconductor quantum dots - Sodium compounds - Surface defects - Transmission electron microscopy - Ultraviolet spectroscopy

Uncontrolled terms:AgInS2 - Fluorescence intensities - Fluorescence materials - Fluorescence properties - Hydrothermal methods - Non-radiative recombinations - Photoluminescence spectrum - UV-VIS absorption spectra

Classification code:461.9  Biology - 714.2  Semiconductor Devices and Integrated Circuits - 741.1  Light/Optics - 741.3  Optical Devices and Systems - 761  Nanotechnology - 801  Chemistry - 802.2  Chemical Reactions - 921.6  Numerical Methods - 951  Materials Science

Numerical data indexing:Molar_Concentration 7.00e-01mol/m3, Percentage 1.01e+01%, Size 6.15e-07m to 6.76e-07m

DOI:10.3788/gzxb20184707.0716002

Funding Details: Number; Sponsor: 20171BAB216008; Jiangxi Provincial Department of Science and Technology - Number; Acronym; Sponsor: 51402135; NSFC; National Natural Science Foundation of China - Number; Acronym; Sponsor: 51402136; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2018 Elsevier Inc.

<RECORD 25>

Accession number:20184406012266

Title:Nonuniformity Correction Method Based on Statistical Consistency of Adjacent Pixels

Title of translation:基于相邻像素统计一致性的非均匀性校正方法

Authors:Liu, Ya-Mei (1)

Author affiliation:(1) Mechanical and Electrical Engineering, Changchun University of Technology, Changchun; 130012, China

Corresponding author:Liu, Ya-Mei(liuyamei1970@126.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:47

Issue:7

Issue date:July 1, 2018

Publication year:2018

Article number:0710002

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:To correct the nonuniformity of long-wave infrareddetectors, a nonuniformity correction method based on statistical consistency of adjacent pixels is proposed. First, the model of radiance nonuniformity is introduced. Then, the ratio between adjacent pixels is estimated with a mean operator, and the correction coefficients are calculated iteratively. Finally, a principle prototype is set up to grab different scenes. Experimental results demonstrate that the proposed method can decrease the roughness of the corrected images from 1.27&times;10<sup>-2</sup> to 1.13&times;10<sup>-2</sup>, and the local standard deviation from 10.5 to 3.5, compared with the calibration-based method. The proposed method can reduce nonuniformity noise of infrared detectors effectively.<br/> &copy; 2018, Science Press. All right reserved.

Number of references:15

Main heading:Iterative methods

Controlled terms:Calibration - Electromagnetic wave attenuation - Infrared detectors - Pixels

Uncontrolled terms:Adjacent pixels - Infrared focal plane arrays - Nonuniformity correction - Photoelectric detection - Radiometric calibrations

Classification code:711  Electromagnetic Waves - 921.6  Numerical Methods - 944.7  Radiation Measuring Instruments

DOI:10.3788/gzxb20184707.0710002

Database:Compendex

Compilation and indexing terms, Copyright 2018 Elsevier Inc.

<RECORD 26>

Accession number:20184406012263

Title:Influence of Ag Nanowires on Optical Absorption of Different Grating Structures under Fixed Volume Ratio

Title of translation:固定体积比例下Ag纳米线对不同光栅结构吸收的影响

Authors:Chen, Ke (1); Fang, Xu (1); Zheng, Hong-Mei (1); Wu, Rui (1); Wang, Yuan-Yuan (1)

Author affiliation:(1) Digital Design and Manufacture Key Laboratory of Anhui Province, College of Mechanical Engineering, Hefei University of Technology, Hefei; 230009, China

Corresponding author:Zheng, Hong-Mei(ColorfuLemonFX@163.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:47

Issue:7

Issue date:July 1, 2018

Publication year:2018

Article number:0705001

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:In order to study the influence of Ag nanowires on the light absorption efficiency of crystalline silicon thin film solar cells, a kind of crystalline silicon thin film solar cell structure with triangular grating and rectangular grating at fixed volume ratio was designed. At the Ag-Si junction of the two structures, a circular and rectangular Ag nanowire array were added respectively. The absorption spectra of these two structures and the control group were simulated by finite difference time-domain method. The optimal height, nanowire cross-sectional area, and distribution density of the two grating structures were obtained by sweeps function of finite difference time-domain method software, and the light absorption efficiency of wavelength region of 300~1 100 nm was calculated under the optimal conditions. The absorption enhancement mechanism of the nanowire model in the long wavelength band was obtained by analyzing the light absorption enhancement spectra and the electromagnetic field intensity distribution. The results showed that the two structures with Ag nanowires had better light capture and absorption than the two control groups. Moreover, the absorption efficiency of Ag nanowires in the rectangular grating model is improved more significantly than the triangular grating model, which can provide reference for the design of structural parameters of new solar cells.<br/> &copy; 2018, Science Press. All right reserved.

Number of references:22

Main heading:Light absorption

Controlled terms:Crystalline materials - Diffraction gratings - Efficiency - Electromagnetic fields - Finite difference time domain method - Nanowires - Optoelectronic devices - Short circuit currents - Silicon compounds - Silver  - Silver compounds - Solar cells - Thin film circuits - Thin film solar cells - Thin films - Time domain analysis

Uncontrolled terms:Absorption efficiency - Absorption enhancement - Ag nanowires - Crystalline silicon thin film solar cells - Field intensity distribution - Light absorption efficiency - Long wavelength bands - Silicon thin-film solar cells

Classification code:547.1  Precious Metals - 701  Electricity and Magnetism - 701.1  Electricity: Basic Concepts and Phenomena - 702.3  Solar Cells - 714.2  Semiconductor Devices and Integrated Circuits - 741.1  Light/Optics - 741.3  Optical Devices and Systems - 761  Nanotechnology - 913.1  Production Engineering - 921  Mathematics - 933  Solid State Physics - 933.1  Crystalline Solids

Numerical data indexing:Size 3.00e-07m to 1.10e-06m

DOI:10.3788/gzxb20184707.0705001

Funding Details: Number; Acronym; Sponsor: 51435003; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2018 Elsevier Inc.

<RECORD 27>

Accession number:20184406012284

Title:Micro Current High Efficiency 650 nm Resonant Cavity Light Emitting Diode

Title of translation:微电流高效率650 nm谐振腔发光二极管

Authors:Wang, Yuan-Cheng (1); Li, Jian-Jun (1); Wang, Hai-Kuo (1); Wang, Meng-Huan (1); Yuan, Ze-Xu (1); Zou, De-Shu (1)

Author affiliation:(1) College of Electronic Science and Technology, Faculty of Information Technology, Beijing University of Technology, Beijing; 100124, China

Corresponding author:Li, Jian-Jun(lijianjun@bjut.edu.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:47

Issue:7

Issue date:July 1, 2018

Publication year:2018

Article number:0723001

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:Based on the micro cavity theory and the film optical transmission matrix model, the resonant cavity light emitting diodes with different aperturehave been designed and fabricated. Through the design of epitaxial structure as well as the preparation and testing of devices, in this paper, the effects of microcavity structure, cavity spectrum detuning and effective radiation area on the luminous efficiency, peak wavelength and full width of the half wave were investigated in detail. In the end, the bright current of the device is reduced and the external quantum efficiency of the device is improved. The device can produce visible light intensity at the 100 &mu;A bias current. At 1mA current, the power is 0.16 mW and the external quantum efficiency is 7%. The peak wavelength of the device is 650 nm, which had not changed with the current in the range of 0.1~7 mA. The far-field distribution is circular spot with uniform symmetry, and the horizontal and vertical divergence angles are 46&deg; and 48&deg; respectively. Compared with ordinary light emitting diode, the device has higher luminous efficiency and better monochromaticity, directivity, wavelength stability. This research has provided devices for realizing high current luminescent driven by micro current, and provided references for the research of the photoelectric characteristics of resonant cavity light emitting diodes under micro current.<br/> &copy; 2018, Science Press. All right reserved.

Number of references:19

Main heading:Quantum efficiency

Controlled terms:Diodes - Efficiency - Light - Light emitting diodes - Light transmission - Microcavities - Radiation effects

Uncontrolled terms:Cavity mode - External quantum efficiency - High-efficiency - Optical transmission matrix - Photoelectric characteristics - Recovery effects - Resonant cavity light emitting diode - Vertical divergence angle

Classification code:714  Electronic Components and Tubes - 714.2  Semiconductor Devices and Integrated Circuits - 741.1  Light/Optics - 913.1  Production Engineering - 931.4  Quantum Theory; Quantum Mechanics

Numerical data indexing:Electric_Current 1.00e-03A, Electric_Current 1.00e-04A, Electric_Current 1.00e-04A to 7.00e-03A, Percentage 7.00e+00%, Power 1.60e-04W, Size 6.50e-07m

DOI:10.3788/gzxb20184707.0723001

Funding Details: Number; Sponsor: PXM2016_014204_500026; Beijing Municipal Commission of Education

Database:Compendex

Compilation and indexing terms, Copyright 2018 Elsevier Inc.

<RECORD 28>

Accession number:20184406012290

Title:Experimental Study on Wind Field Simulation of Asymmetric Spatial Heterodyne Spectrometer

Title of translation:非对称空间外差光谱仪风场模拟探测实验研究

Authors:Jiang, Tong (1); Shi, Hai-Liang (2); Shen, Jing (3); Dai, Hai-Shan (1); Xiong, Wei (2)

Author affiliation:(1) Shanghai Institute of Satellite Engineering, Shanghai; 200240, China; (2) Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei; 230031, China; (3) China Electronics Technology Group Corporation Twenty-seventh Institute, Zhengzhou; 450047, China

Corresponding author:Shi, Hai-Liang(hlshi@aiofm.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:47

Issue:7

Issue date:July 1, 2018

Publication year:2018

Article number:0701001

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:In order to verify the accuracy level of the wind field in the middle and upper atmosphere, the simulation of the ground wind field is carried out by the asymmetrical spatial heterodyne spectrometer. The basic principle of wind field detection by asymmetric spatial heterodyne spectroscopy and the basic performance parameters of the developed spectrometer are introduced. The wind field simulation detection experiment is designed by the wind speed simulation device, and the inaccuracy of the motor speed, the installation mechanical angle, the measuring value of the radius of the turntable and the angle of the ray incident during the simulation of wind speed are also introduced. The theoretical wind speed error of the device is no more than 1.3%, which is able to meet the requirements of wind field simulation detection and verification. By using the wind speed simulation device and adjusting the speed experiment of different motor, the data of 24 sets of measured results of simulated wind speed in 34.19~78.63 m/s are obtained. The simulation covers the range of wind speed in middle and upper atmosphere, error correction and wind velocity inversion for the measured data, and the results of wind velocity measured by the asymmetric spatial heterodyne spectrometer and the results of wind velocity measurement. The accuracy of wind velocity detection by 3.28 m/s of standard deviation of wind speed error is obtained after theoretical simulation of wind velocity comparison. It is proved that asymmetric spatial heterodyne spectroscopy has the characteristics of high phase sensitivity and high precision.<br/> &copy; 2018, Science Press. All right reserved.

Number of references:12

Main heading:Wind

Controlled terms:Error correction - Error detection - Fourier transforms - Heterodyning - Spectrometers - Spectroscopy - Upper atmosphere - Velocity

Uncontrolled terms:Atmospheric Winds - Performance parameters - Phase - Spatial heterodyne - Spatial heterodyne spectroscopies - Theoretical simulation - Wind speed simulations - Wind velocity measurement

Classification code:443.1  Atmospheric Properties - 741.3  Optical Devices and Systems - 921.3  Mathematical Transformations

Numerical data indexing:Percentage 1.30e+00%, Velocity 3.28e+00m/s, Velocity 3.42e+01m/s to 7.86e+01m/s

DOI:10.3788/gzxb20184707.0701001

Funding Details: Number; Acronym; Sponsor: Y7Y00100KZ; SKLRSS; State Key Laboratory of Remote Sensing Science

Database:Compendex

Compilation and indexing terms, Copyright 2018 Elsevier Inc.

<RECORD 29>

Accession number:20184406012274

Title:Photocatalytical Poison Gas Filter Based on Nano-TiO<inf>2</inf> Mesoporous Silica Composite

Title of translation:基于二氧化钛-介孔硅复合材料的光催化毒气过滤器

Authors:Miao, Jing (1, 2); Zeng, Fan-Zhe (3); Guan, Lei (1); Wu, Chun-Xiao (3); Han, Sha-Sha (3); He, Zheng-Quan (1); Kong, De-Peng (1); Wang, Li-Li (1, 2)

Author affiliation:(1) Research Department of Information Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an; 710119, China; (2) College of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Science, Beijing; 101408, China; (3) 69081 PLA Troops, Urumchi; 830000, China

Corresponding author:Kong, De-Peng(kongdp@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:47

Issue:7

Issue date:July 1, 2018

Publication year:2018

Article number:0712001

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:A composite method of mesoporous silicon and nano-TiO<inf>2</inf> were reported, then a nano-TiO<inf>2</inf>-mesoporous-silica composite were fabricated, which is of high adsorption and high photocatalytic activity. On this basis, a new type of photocatalytic gas filter was constructed,by using UV LED with 365 nm wavelength as light source, custom made semi-leakage optical polymer fiber as light guide medium. Experimental results show that it has a capacity of adsorbing formaldehyde of more than 3 mg on the filter with 350 g composite photocatalyst loading, and LED light power of 540 mW. After the filter is adsorption saturated, the formaldehyde gas flow rate is 2 L/min, the inlet concentration is 0.7 mg/m<sup>3</sup>, the rate of real-time decomposition of formaldehyde reaches 72 &mu;g/h and the formaldehyde concentration in the output gas drops to 0.09 mg/m<sup>3</sup>, which is lower than the safety threshold of indoor formaldehyde concentration in national sanitary standards. Adsorption characteristics of the composite photocatalyst provides sufficient reaction time for photocatalytic decomposition, which helps improve the photocatalytic decomposition efficiency, long-term cycle work, and it is expected to be used for home air purification, or even replace the existing activated carbon gas filter, and be used as a long-term gas masks and other devices.<br/> &copy; 2018, Science Press. All right reserved.

Number of references:16

Main heading:Air filters

Controlled terms:Activated carbon - Adsorption - Air purification - Composite materials - Flow of gases - Formaldehyde - Gases - Light emitting diodes - Mesoporous materials - Photocatalysis  - Photocatalysts - Silica - Titanium dioxide

Uncontrolled terms:Adsorption characteristic - Composite photocatalysts - Formaldehyde concentrations - High photocatalytic activities - Inlet concentration - Mesoporous silicon - Photocatalytic decomposition - Photocatalytic filter

Classification code:451.2  Air Pollution Control - 631.1.2  Gas Dynamics - 714.2  Semiconductor Devices and Integrated Circuits - 802.2  Chemical Reactions - 802.3  Chemical Operations - 803  Chemical Agents and Basic Industrial Chemicals - 804  Chemical Products Generally - 951  Materials Science

Numerical data indexing:Mass 3.00e-06kg, Mass 3.50e-01kg, Mass_Density 7.00e-07kg/m3, Mass_Density 9.00e-08kg/m3, Mass_Flow_Rate 2.00e-11kg/s, Power 5.40e-01W, Size 3.65e-07m

DOI:10.3788/gzxb20184707.0712001

Funding Details: Number; Acronym; Sponsor: 11474351; NSFC; National Natural Science Foundation of China - Number; Acronym; Sponsor: 11504416; NSFC; National Natural Science Foundation of China - Number; Acronym; Sponsor: 61275106; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2018 Elsevier Inc.

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