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2017年46卷1期27篇论文

<RECORD 1>

Accession number:20171103436801

Title:Near infrared diffuse reflectance spectroscopy for rapid detection of the excipients' contents in amlodipine besylate tablets

Authors:Han, Jun (1); Sun, Chang-Hai (1); Chen, Ai-Ming (2); Fang, Hong-Zhuang (1)

Author affiliation:(1) School of Pharmacy, Jiamusi University, Jiamusi; Heilongjiang; 154007, China; (2) Dalian ChemDataSolution Information Technology Co. Ltd, Dalian; Liaoning; 116023, China

Corresponding author:Fang, Hong-Zhuang(fhz-chjms@sohu.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:46

Issue:1

Issue date:January 1, 2017

Publication year:2017

Article number:0112006

Language:English

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:The excipients contents in the Amlodipine Besylate Tablet were rapidly detected combing of the near infrared spectroscopy and Chemometrics. Characteristic wavelength variation points were screened by methods of Random Frog, Variable Importance Projection and Competition Self-Adaptive Reweighted Sampling. After processing the original spectrum by 9 kinds of spectrum pre-processing methods, the Partial Least Squares (PLS) model and Support Vector Regression analysis (SVR) model were established respectively and compared to each other. And then the optimized model was applied to test the samples. The results show that the effect of Random Frog is better for the selection of optimal characteristic wavelength variables in the samples involved; For the model predictions, the effect of PLS quantitative model is better for the evaluation parameters in the determination coefficient and RMSEP of the five indexes, when compared with that of the SVR model, and the Relative Percent Difference (RPD) values are all more than 3.0. The standard error of the tested values and measured values for samples are both less than 1.30; Paired t-test shows that there is no significant difference at the significance level of a=0.05. So near infrared diffuse reflectance spectroscopy can be used to rapidly detect the excipients' contents in the Amlodipine Besylate Tablets, with a good repeatability, an intermediate precision, a linearity, accuracy, can provide a good reference for the rapid detection of other pharmaceutical excipients'contents. &copy; 2017, Science Press. All right reserved.

Number of references:26

Page count:10

Main heading:Infrared devices

Controlled terms:Importance sampling - Least squares approximations - Near infrared spectroscopy - Processing - Reflection - Regression analysis - Spectroscopy - Spectrum analysis

Uncontrolled terms:Amlodipine besylate - Excipients - Near Infrared - Random Frog - Support vector regression (SVR)

Classification code:913.4  Manufacturing - 921.6  Numerical Methods - 922  Statistical Methods - 922.2  Mathematical Statistics

DOI:10.3788/gzxb20174601.0112006

Database:Compendex

Compilation and indexing terms, Copyright 2017 Elsevier Inc.

<RECORD 2>

Accession number:20171103436781

Title:Beam Spreading and Wander of Partially Coherent Airy Beam Propagating in Atmospheric Turbulence

Authors:Ke, Xi-Zheng (1); Zhang, Lin (1)

Author affiliation:(1) School of Automation and Information Engineering, Xi'an University of Technology, Xi'an; 710048, China

Corresponding author:Zhang, Lin(912854693@qq.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:46

Issue:1

Issue date:January 1, 2017

Publication year:2017

Article number:0101003

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:Based on Andrews and Philips classical wander variance model, combining with the cross spectral density function of partially coherent light Airy and Tatarskii power spectrum, the coherent analytical formulas of expansion and wander of Airy beam in atmosphere transmission were deduced. The influence of the parameters such as the different truncation, the turbulence intensity and the coherence on the expansion and wander of Airy beam was analyzed. Then the results were compared with the results of Gaussian beam. The study has shown that, the different truncation, turbulence intensity and coherence have the bigger influence on beam wander, the more their value is, the more serious the wander will be. The inner scale has so little effect on the beam wander that can be ignored. Under the same conditions, Airy beam wander is two orders of magnitude smaller than that of the Gaussian beam, and itself has self recovery characteristic and strong inhibition of turbulence characteristic. &copy; 2017, Science Press. All right reserved.

Number of references:22

Page count:7

Main heading:Gaussian beams

Controlled terms:Atmospheric optics - Atmospheric thermodynamics - Atmospheric turbulence - Spectral density

Uncontrolled terms:Beam spreading - Beam-wander - Cross spectra - Cross spectral densities - Partially coherent - Partially coherent light - Turbulence characteristics - Turbulence intensity

Classification code:443.1  Atmospheric Properties - 711  Electromagnetic Waves

DOI:10.3788/gzxb20174601.0101003

Funding Details: Number; Acronym; Sponsor: 60977054; NSFC; National Natural Science Foundation of China - Number; Acronym; Sponsor: 61377080; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2017 Elsevier Inc.

<RECORD 3>

Accession number:20171103436785

Title:Application of phase diversity wave-front sensing technique to large space-borne camera

Authors:Zhao, Hui (1); Yi, Hong-Wei (1); Fan, Xue-Wu (1); Li, Chuang (1); Zou, Gang-Yi (1); Pang, Zhi-Hai (1); Ren, Guo-Rui (1); Zhao, Yan (1); Li, Ai-Ling (1); Wei, Jing-Xuan (2); Xie, Xiao-Peng (1)

Author affiliation:(1) Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Science, Xi'an; 710119, China; (2) School of Computer Science and Technology, Xidian University, Xi'an; 710071, China

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:46

Issue:1

Issue date:January 1, 2017

Publication year:2017

Article number:0111001

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:Based on the fundamental principle of phase diversity technique, a prototype space-borne camera was used to experimentally demonstrate the effects of wavefront reversal of phase diversity technique through laboratory and outfield push-broom imaging experiments. Experimental results demonstrate that, the accuracy of wavefront reversal based on phase diversity technique is near 1/40&lambda;(&lambda;=632.8 nm)by using the root-mean-squares of residual wave-front errors between the really obtained wave-front through Zygo and the calculated wave-front through phase diversity as a criterion. At the same time, by carrying out deconvolution to the degraded push-broom images using the estimated wave-front, the image quality could be prominently improved. The signal-to-noise ratio could be improved at least 40% and the modulation transfer function at Nyquist frequency could be improved 80% above, which indirectly proves the effectiveness of phase diversity technique as well. The work reported in this manuscript will pave the way for in-orbit application of phase diversity based wave-front sensing technique in future. &copy; 2017, Science Press. All right reserved.

Number of references:26

Page count:12

Main heading:Wavefronts

Controlled terms:Cameras - Image reconstruction - Signal to noise ratio

Uncontrolled terms:Fundamental principles - Imaging experiments - Nyquist frequency - Phase diversity - Root Mean Square - Space-borne - Wave-front sensing - Wavefront errors

Classification code:716.1  Information Theory and Signal Processing - 742.2  Photographic Equipment

Numerical data indexing:Percentage 4.00e+01%, Percentage 8.00e+01%

DOI:10.3788/gzxb20174601.0111001

Funding Details: Number; Acronym; Sponsor: 61105017; NSFC; National Natural Science Foundation of China - Number; Acronym; Sponsor: 61107008; NSFC; National Natural Science Foundation of China - Number; Acronym; Sponsor: 61203372; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2017 Elsevier Inc.

<RECORD 4>

Accession number:20171103436782

Title:Performance analysis of two-dimensional incident left-handed metamaterial based on double trapezoid metal strips

Authors:Tian, Zi-Jian (1); Jiang, Bo-Fan (1)

Author affiliation:(1) School of Mechanical Electronic and Information Engineeriing, China University of Mining and Technology(Beijing), Beijing; 100083, China

Corresponding author:Jiang, Bo-Fan(361188696@qq.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:46

Issue:1

Issue date:January 1, 2017

Publication year:2017

Article number:0116001

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:A structure of two-dimensional incident left-handed metamaterial composed of double trapezoid metal strips was proposed based on paralleled metal strips and thin metal wire. The structure consists of dielectric-slab and anti-symmetrical trapezoid metal strips on each side. Compared with the traditional left-handed metamaterial structures, this structure not only has double left-handed frequency band under the parallel incidence of electromagnetic wave, but also has a good expansibility, and it is easy to produce. By using the simulation software, the structure is analyzed respectively when electromagnetic waves are incident perpendicularly and when they are parallel to the substrate. Results show that, the structure can show double negative properties either under the incidence of electromagnetic waves paralleled or perpendicular. Besides, with the upper base size of the structure being greater for each 0.5 mm, the frequency band of double negative properties moves to higher frequency band about 0.2 GHz and 0.4 GHz.These can be as reference values in the research of left-handed metamaterial based on paralleled meta strips. &copy; 2017, Science Press. All right reserved.

Number of references:24

Page count:8

Main heading:Strip metal

Controlled terms:Circular waveguides - Computer software - Electromagnetic waves - Frequency bands - Metals - Metamaterials - Two dimensional

Uncontrolled terms:Double negative property - Expansibility - Higher frequencies - Left handed metamaterial - Performance analysis - Simulation - Simulation software - Trapezoid structure

Classification code:535.1  Metal Rolling - 711  Electromagnetic Waves - 714.3  Waveguides - 723  Computer Software, Data Handling and Applications - 951  Materials Science

Numerical data indexing:Frequency 2.00e+08Hz, Size 5.00e-04m

DOI:10.3788/gzxb20174601.0116001

Funding Details: Number; Acronym; Sponsor: 51674269; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2017 Elsevier Inc.

<RECORD 5>

Accession number:20171103436791

Title:Simultaneous measurement of transverse pressure and temperature based on multi-core fiber cascaded with fiber bragg grating

Authors:Jiang, You-Hua (1); Fu, Hai-Wei (1); Zhang, Jin-Le (1); Jia, Zhen-An (1); Qiao, Xue-Guang (2)

Author affiliation:(1) Ministry of Education Key Laboratory on Photoelectric oil-gas Logging and detecting, School of Science, Xi'an Shiyou University, Xi'an; 710065, China; (2) Department of Physics, Northwest Universitiy, Xi'an; 710069, China

Corresponding author:Fu, Hai-Wei(hwfu@xsyu.edu.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:46

Issue:1

Issue date:January 1, 2017

Publication year:2017

Article number:0106002

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:An all-fiber sensing system based on the Mach-Zehnder Interferometer (MZI) and Fiber Bragg Grating (FBG) was proposed for the measurement of transverse pressure and temperature simultaneously. The MZI was fabricated by splicing of a lateral-offset Multi-Core Fiber (MCF) with two single mode fibers, the modal interference was formed due to the mode field mismatch among MCF and Single Mode Fibers (SMFs), which made the external pressure directly acted on the light field inside of the multi-core fiber, thus a high pressure sensitivity of interferometer can be achieved. Experimental results show that the pressure sensitivity of the MZI is 28.57 nm/(N&middot;mm<sup>-1</sup>), and the linearity is 0.997, while FBG is not sensitive to the pressure change. Both the MZI and the FBG show a good linearity between the wavelength shift and temperature, and the sensitivity is 56.1pm/&#8451; and 11.3pm/&#8451;, respectively. For a spectrometer with a resolution of 0.02 nm, the proposed sensor can reach a resolution of 7.0&times;10<sup>-4</sup>N/mm for pressure and of 0.03&#8451; for temperature. The transmission spectrum of the MZI and the resonance peaks of the FBG have different spectral responses to pressure and temperature changes. By using optical spectrum analyzer to monitor the wavelength shift of the transmission spectrum of the sensor, so that the dual-parameters of pressure and temperature can be measured conveniently.The proposed sensor has a simple structure a high sensitivity, it can be well applied to transverse pressure measurement. &copy; 2017, Science Press. All right reserved.

Number of references:18

Page count:6

Main heading:Fiber Bragg gratings

Controlled terms:Bragg gratings - Fibers - Interferometers - Mach-Zehnder interferometers - Optical fiber fabrication - Optical fibers - Parameter estimation - Plasma diagnostics - Single mode fibers - Spectrum analyzers

Uncontrolled terms:All fiber - Fiber Mach-Zehnder interferometers - Fiber optics sensors - Multi core - Parameter measurement

Classification code:741.1.2  Fiber Optics - 741.3  Optical Devices and Systems - 932.3  Plasma Physics - 941.3  Optical Instruments

Numerical data indexing:Size 2.00e-11m

DOI:10.3788/gzxb20174601.0106002

Funding Details: Number; Acronym; Sponsor: 61077060; NSFC; National Natural Science Foundation of China - Number; Acronym; Sponsor: 61275088; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2017 Elsevier Inc.

<RECORD 6>

Accession number:20171103436780

Title:Effect on the partially coherent beam propagation properties in the atmospheric turbulence considering its scales

Authors:Ke, Xi-Zheng (1); Xue, Yao (1)

Author affiliation:(1) School of Automation and Information Engineering, Xi'an University of Technology, Xi'an; 710048, China

Corresponding author:Xue, Yao(631747352@qq.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:46

Issue:1

Issue date:January 1, 2017

Publication year:2017

Article number:0101002

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:Propagation properties of partially coherent Gaussian-Schell model beam, under the condition of considering the atmospheric turbulence of inner-scale and outer-scale, were studied in the atmospheric turbulence. Using the model of modified Von- Karmon spectrum which considers its inner-scale and outer-scale, the expressions of intensity distribution, wander variance and beam width of partially coherent beam were deduced in the atmospheric turbulence. The influence to partially coherent beam, on the turbulence along a slant path and a horizontal path considering the inner and outer scale, were analyzed in different turbulence intensity. The results show that, under the same condition, the anti-turbulence ability of the beam propagated in the atmosphere along a slant path is more better than the horizontal path. In addition, compared with the inner scale of the atmospheric turbulence, the outer-scales of the beam propagated in the atmosphere has a greater effect on the wander variance, the outer-scales have a minor effect on the intensity distribution and beam width, when the outer-scale increasing, wander variance is more serious. Furthermore, compared with the outer scale of the atmospheric turbulence, the inner-scales has more effect on intensity distribution and beam width. When the Inner-scales reduced, the beam expanding phenomenon is becoming more and more serious. Intensity distribution is more scattered, and inner-scales of wander variance almost has no effect. &copy; 2017, Science Press. All right reserved.

Number of references:19

Page count:8

Main heading:Atmospheric turbulence

Controlled terms:Atmospheric optics - Atmospheric thermodynamics - Coherent light - Gaussian beams - Optical communication

Uncontrolled terms:Beam widths - Gaussian Schell-model beams - Intensity distribution - Partially coherent - Partially coherent beam - Propagation properties - Turbulence intensity - Wander variance

Classification code:443.1  Atmospheric Properties - 711  Electromagnetic Waves - 717.1  Optical Communication Systems - 741.1  Light/Optics

DOI:10.3788/gzxb20174601.0101002

Funding Details: Number; Acronym; Sponsor: 60977054; NSFC; National Natural Science Foundation of China - Number; Acronym; Sponsor: 61377080; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2017 Elsevier Inc.

<RECORD 7>

Accession number:20171103436777

Title:High performance optoelectronic oscillator based on injection-locked and phase-locked loop techniques

Authors:Cao, Zhe-Wei (1); Yang, Chun (1); Zhou, Zheng-Hua (1)

Author affiliation:(1) School of Electronic Science and Engineering, Southeast University, Nanjing; 210096, China

Corresponding author:Yang, Chun(yangchun_seu@163.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:46

Issue:1

Issue date:January 1, 2017

Publication year:2017

Article number:0123002

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:An injection-phase locked optoelectronic oscillator based on injection locking and phase-locked loop techniques was proposed. Utilizing the injection locking to reduce the close-in phase noise and increase the side-mode suppression ratio. Using the phase-locked loop to improve the frequency stability of the optoelectronic oscillator by detecting the phase between the output signal of the optoelectronic oscillator and the external injection source and also to furtherly improve the close-in phase noise performance. The experimental results show that, when the electrical filter's center frequency and 3 dB bandwidth are 9.5 GHz and 20 MHz, single mode oscillation at 9.5 GHz is realized by a 6 km-fiber single loop injection-phase locked optoelectronic oscillator. When the injection locking bandwidth is 1.98 kHz, the phase noises of the optoelectronic oscillator's output signal are about -125 dBc/Hz at 1kHz offset frequency and -147 dBc/Hz at 10kHz offset frequency, the SMSR is higher than 70 dB, and the Allan deviations are about 1.37&times;10<sup>-11</sup>@1s and 1.22&times;10<sup>-11</sup>@1000s. &copy; 2017, Science Press. All right reserved.

Number of references:18

Page count:7

Main heading:Phase noise

Controlled terms:Bandwidth - Optoelectronic devices - Phase locked loops

Uncontrolled terms:Allan deviation - Electrical filters - Injection locked - Injection-locking - Offset frequencies - Opto-electronic oscillator - Side mode suppression ratios - Single-mode oscillation

Classification code:701.2  Magnetism: Basic Concepts and Phenomena - 713.5  Electronic Circuits Other Than Amplifiers, Oscillators, Modulators, Limiters, Discriminators or Mixers - 716.1  Information Theory and Signal Processing - 741.3  Optical Devices and Systems

Numerical data indexing:Decibel 3.00e+00dB, Decibel 7.00e+01dB, Frequency 1.00e+03Hz, Frequency 1.00e+04Hz, Frequency 1.98e+03Hz, Frequency 2.00e+07Hz, Frequency 9.50e+09Hz

DOI:10.3788/gzxb20174601.0123002

Funding Details: Number; Acronym; Sponsor: 61671148; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2017 Elsevier Inc.

<RECORD 8>

Accession number:20171103436788

Title:Speckle reduction method with phase range limited diffractive optical element

Authors:Liang, Chuan-Yang (1, 2); Zhang, Wei (1); Rui, Da-Wei (1); Sui, Yong-Xin (1); Yang, Huai-Jiang (1)

Author affiliation:(1) Engineering Researcher Center of Extreme Precision Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun; 130033, China; (2) University of Chinese Academy of Sciences, Beijing; 100039, China

Corresponding author:Yang, Huai-Jiang(yanghj@sklao.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:46

Issue:1

Issue date:January 1, 2017

Publication year:2017

Article number:0105002

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:According to the generation mechanism of speckle, utilizing the concept of interference on a pixel point, a speckle suppression method was proposed which can reduce the Speckle Contrast (SC) of the projection image by limiting the phase distribution range in the optical field. The SC formula is derived in the uniform interval phase range for partially developed speckle conditions, showing that when phase distribution rang is limited between 0.6&pi; and 2&pi;, a quasi-oscillatory behavior of SC appears with the change of phase distribution rang; and SC will be falling rapidly with the lessening of phase distribution rang when phase distribution rang is smaller than 0.6&pi;. An ideal simulation model and a real simulation model were established to verify the correctness and feasibility of this method. In the ideal simulation model, the SC can be reduced from 66.44% to 0% as the phase range limitation varying from 2&pi; to 0. In the real simulation model, the actual structure of the optical path was simulated in the laser projection system, there are two diffractive optical elements in the real simulation model, one is for laser shaping, and the other one is for limiting the phase range of optical field, the SC is reduced from 92.78% down to 2.09% in the real simulation model. The proposed approach presents a significant reference with a low power consumption and a stable display architecture for speckle suppression application in holographic display. &copy; 2017, Science Press. All right reserved.

Number of references:16

Page count:7

Main heading:Speckle

Controlled terms:Density (optical) - Diffractive optical elements - Diffractive optics - Holographic displays - Holography - Phase modulation - Projection systems

Uncontrolled terms:Generation mechanism - Holographic projection - Laser projection system - Low-power consumption - Oscillatory behaviors - Phase distribution - Speckle contrasts - Speckle suppression

Classification code:741.1  Light/Optics - 741.3  Optical Devices and Systems - 742.2  Photographic Equipment - 743  Holography - 746  Imaging Techniques

Numerical data indexing:Percentage 6.64e+01%, Percentage 9.28e+01% to 2.09e+00%

DOI:10.3788/gzxb20174601.0105002

Database:Compendex

Compilation and indexing terms, Copyright 2017 Elsevier Inc.

<RECORD 9>

Accession number:20171103436776

Title:Analysis and controller design of fringe phase locking system for interference lithography

Authors:Lu, Sen (1); Yang, Kai-Ming (1); Zhu, Yu (1); Zhang, Ming (1); Wang, Lei-Jie (1); Hu, Chu-Xiong (1)

Author affiliation:(1) State Key Laboratory of Tribology, School of Mechanical Engineering, Tsinghua University, Beijing; 100084, China

Corresponding author:Yang, Kai-Ming(yangkm@tsinghua.edu.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:46

Issue:1

Issue date:January 1, 2017

Publication year:2017

Article number:0123001

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:The intensity of a fixed point in the interference fringes is closely related to the phase change of interference fringes. According to this principle, a real-time phase locking system was established by the analysis of the intensity field. The intensity voltage of a fixed point in the interference fringes was detected as a feedback signal by a photodetector, and an acoustic optical modulator was used to shift the frenquency of the Gaussian beam in real time. By setting intensity voltage to a fixed value, phase locking function was realized. Theoretical model of fringe phase locking system was derivated and verified by experiment. A phase locking controller was also designed based on the model. The experiment results illustrate that, the phase drift is within &plusmn;0.04 period under the 400 Hz control frequency, which satisfies the exposure requirements of interference lithography. &copy; 2017, Science Press. All right reserved.

Number of references:13

Page count:7

Main heading:Locks (fasteners)

Controlled terms:Controllers - Frequency modulation - Gaussian beams - Light modulators - Real time control

Uncontrolled terms:Acoustic-optical modulators - Control frequency - Controller designs - Feedback signal - Interference fringe - Interference lithography - Phase lock - Theoretical modeling

Classification code:711  Electromagnetic Waves - 731  Automatic Control Principles and Applications - 732.1  Control Equipment

Numerical data indexing:Frequency 4.00e+02Hz

DOI:10.3788/gzxb20174601.0123001

Funding Details: Number; Acronym; Sponsor: 51475262; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2017 Elsevier Inc.

<RECORD 10>

Accession number:20171103436789

Title:Projector calibration method with single period fringe and double four-step phase shifting

Authors:Ji, Hong-Bin (1); Zhang, Hui-Bo (1); Fan, Jing-Jing (1); Liu, Jin-Yue (1); Dai, Shi-Jie (1); Wang, Zhi-Ping (2)

Author affiliation:(1) Research Institute of Robotics and Automation, Hebei University of Technology, Tianjin; 300130, China; (2) Tianjin Key Laboratory for Civil Airworthiness and Maintenance, Civil Aviation University of China, Tianjin; 300300, China

Corresponding author:Dai, Shi-Jie(dshj70@163.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:46

Issue:1

Issue date:January 1, 2017

Publication year:2017

Article number:0105003

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:Aiming at the projector distortion and the change of fringe periods and fringe series, a calibration method of single period fringe and double four-step phase-shifting algorithm was proposed. Designing and generating two groups of horizontal and vertical single period grating fringe images respectively, the camera captures the single period grating fringe images which projected onto the calibration plate with circular logo at the same time, and superposes the two phase master maps which obtained by double four-step phase shift and unwrapping the phase master map. Then the pixel coordinate of projector is calculated by the unwrapping absolute phase. Finally, the projector calibration is converted into a mature camera calibration. Experimental results indicate that the maximum re-projection error and the root mean square error of the projector calibration precision of simulation experiment are about 0.4 pixel and 0.132 96 pixel respectively. The maximum re-projection error and the root mean square error of the projector calibration precision of simulation experiment are about 0.46 pixel and 0.143 12 pixel respectively. Compared with the existing projector calibration methods of projecting fringes by tri-frequency phase unwrapping, 8 grating images can be reduced by the proposed method. The shortcomings of projector calibration method by projecting grating fringes and the calibration accuracy and the calibration efficiency can be improved. &copy; 2017, Science Press. All right reserved.

Number of references:17

Page count:8

Main heading:Calibration

Controlled terms:Cameras - Errors - Mean square error - Optical data processing - Phase shift - Pixels

Uncontrolled terms:Four-step phase-shifting - Fringe projection - Optical measurement - Projector calibration - Single period

Classification code:723.2  Data Processing and Image Processing - 742.2  Photographic Equipment - 922.2  Mathematical Statistics

DOI:10.3788/gzxb20174601.0105003

Funding Details: Number; Acronym; Sponsor: U1433117; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2017 Elsevier Inc.

<RECORD 11>

Accession number:20171103436779

Title:Study on single-photon acquisition probability based on laguerre-gaussian beams

Authors:Zhang, Guang-Yu (1); Liu, Lin-Jing (1); Zhang, Cheng-Long (1)

Author affiliation:(1) College of Applied Science, Harbin University of Science and Technology, Harbin; 150080, China

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:46

Issue:1

Issue date:January 1, 2017

Publication year:2017

Article number:0101001

Language:English

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:Highly attenuated laser pulses based on Gaussian beams are used as single-photon sources. It is assumed that this laser beam has an initial Gaussian temporal pulse shape and a TEM<inf>01</inf>mode Laguerre-Gaussian spatial profile. Based on the Rytov approximation and the modified von Karman spectrum model of refractive-index fluctuations, the influence of atmospheric turbulence on a single-photon acquisition probability in satellite-ground quantum communications was studied. Theoretical models of the single-photon acquisition probability in an uplink channel and a downlink channel were established. The single-photon acquisition probability was analyzed for laser links between a ground station and a satellite in a low earth orbit. The results show that, the single-photon acquisition probability in the uplink channel depends strongly on the refractive-index structure parameter at the ground C<inf>n</inf><sup>2</sup>(0) and decreases as C<inf>n</inf><sup>2</sup>(0) increasing. However, in the downlink channel the single-photon acquisition probability does not depend on C<inf>n</inf><sup>2</sup>(0), that is, atmospheric turbulence has little influence on it. &copy; 2017, Science Press. All right reserved.

Number of references:25

Page count:6

Main heading:Particle beams

Controlled terms:Atmospheric structure - Atmospheric thermodynamics - Atmospheric turbulence - Gaussian beams - Gaussian distribution - Laser beams - Mergers and acquisitions - Orbits - Photons - Probability  - Quantum communication - Refractive index - Satellites

Uncontrolled terms:Laguerre Gaussian beams - Laguerre-Gaussian - Refractive index fluctuations - Refractive index structure parameter - Rytov approximation - Single-photon acquisition probability - Single-photon source - Von karman spectrums

Classification code:443.1  Atmospheric Properties - 655.2  Satellites - 711  Electromagnetic Waves - 716  Telecommunication; Radar, Radio and Television - 741.1  Light/Optics - 744.8  Laser Beam Interactions - 922.1  Probability Theory - 931.3  Atomic and Molecular Physics - 932.1  High Energy Physics

DOI:10.3788/gzxb20174601.0101001

Funding Details: Number; Sponsor: F200831; Natural Science Foundation of Heilongjiang Province

Database:Compendex

Compilation and indexing terms, Copyright 2017 Elsevier Inc.

<RECORD 12>

Accession number:20171103436784

Title:Research on polarized optical properties of space target material

Authors:Yuan, Bo (1, 2); Gao, Jing (1); Yang, Fan-Chao (1, 2); Hu, Bing-Liang (1); Gao, Xiao-Hui (1)

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

Corresponding author:Yang, Fan-Chao(frankyang1987@126.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:46

Issue:1

Issue date:January 1, 2017

Publication year:2017

Article number:0116003

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:Based on the bidirectional reflectance model, the polarization characteristics and spectral radiosities of four space target samples, such as carbon fiber, carburizing film, F46 and OSR, were measured. By calculating the Stokes parameters of the samples, the degrees of linear polarization and polarization orientations under multiple observing angles were obtained and recorded. The statistical results show that, the different samples have great differences in average and variance of the degree of linear polarization and Orientation. The analysis of the difference between the average and variance of samples can improve the effects in detecting and identifying simples efficiently and solve the &ldquo;Same object with different spectrums&rdquo; and &ldquo;Foreign body in the same spectrum&rdquo; problems occurred in spectroscopic techniques. The polarization property provides more optical information for remote sensing, which is an effective and reliable method for target recognition. &copy; 2017, Science Press. All right reserved.

Number of references:13

Page count:8

Main heading:Polarization

Controlled terms:Carbon - Carbon fibers - Crystal orientation - Optical properties - Remote sensing - Spectroscopic analysis

Uncontrolled terms:Average values - Degree of linear polarization - Spectral polarization - Stokes parameters - Variance

Classification code:741.1  Light/Optics - 801  Chemistry - 804  Chemical Products Generally - 933.1.1  Crystal Lattice

DOI:10.3788/gzxb20174601.0116003

Funding Details: Number; Acronym; Sponsor: 11327303; NSFC; National Natural Science Foundation of China - Number; Acronym; Sponsor: 11573058; NSFC; National Natural Science Foundation of China - Number; Acronym; Sponsor: 61405239; NSFC; National Natural Science Foundation of China - Number; Acronym; Sponsor: 61501456; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2017 Elsevier Inc.

<RECORD 13>

Accession number:20171103436793

Title:Continuous output orange-red laser with tunable wavelength based on composite cavity

Authors:Chen, Yu-Hua (1); Bai, Yang (1); Zhang, Ze-Nan (1); Bai, Bing (1); Sun, Yan-Xiao (1); Bai, Jin-Tao (1)

Author affiliation:(1) National Key Laboratory of Photoelectric Technology and Functional Materials (Cultivation Base), Shaanxi Engineering Technology Research Center for All Solid State Laser and Application, Northwest University, Xi'an; 710069, China

Corresponding author:Bai, Yang(by@nwu.edu.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:46

Issue:1

Issue date:January 1, 2017

Publication year:2017

Article number:0114001

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:An orange-red laser was designed and developed based on a composite cavity structure with tunable wavelength, W-level continuous output. It consisted of a resonant cavity which generated p-polarized 1 062.9 nm fundamental frequency light based on laser diode side pumped Nd:GdVO<inf>4</inf>crystal and a single resonant optical parametric oscillator using a periodically poled crystal MgO:PPLN with three-poling periods (29.0 &mu;m, 29.8 &mu;m, and 30.8 &mu;m). In the overlap region of the two resonant cavities, the type-II critical phase-matched crystal KTP was used to bring about inner-cavity sum-frequency generation with the s-polarized signal light and the p-polarized 1 062.9 nm fundamental frequency light. By the tuning of three different polarizations of MgO:PPLN crystal and the temperature tuning in the range of 30&#8451;~200&#8451;, the wavelength tunable orange-red laser with W-level continuous outputs in three bands(613.4~619.2 nm at 29.0 &mu;m, 620.2~628.9 nm at 29.8 &mu;m and 634.4~649.1 nm at 30.8 &mu;m) were obtained. In addition, the wavelength tunable mid-infrared idlers were gained in the corresponding bands(3 980.0~3 758.5 nm at 29.0 &mu;m, 3 714.2~3 438.3 nm at 29.8 &mu;m and 3 278.0~2 940.2 nm at 30.8 &mu;m). By changing the poling periods at 30&#8451; minimum temperature, the maximum continuous output powers were measured as 1.52 W (at 613.4 nm), 2.21 W (at 620.2 nm) and 3.03 W (at 634.4 nm). At the same time, the maximum continuous output powers of the three corresponding idlers were measured as 2.36 W(at 3 980.0 nm), 3.17 W(at 3 714.2 nm) and 4.13 W(at 3 278.0 nm), respectively. &copy; 2017, Science Press. All right reserved.

Number of references:18

Page count:7

Main heading:Parametric oscillators

Controlled terms:Angle measurement - Cavity resonators - Citrus fruits - Interferometry - Natural frequencies - Optical parametric oscillators - Optically pumped lasers - Phase matching - Pumping (laser) - Tuning

Uncontrolled terms:Orange-red - Single Resonant Optical parametric oscillator(SRO) - Sum frequency generation - Temperature tuning - Tunable wavelength

Classification code:713  Electronic Circuits - 713.2  Oscillators - 744.1  Lasers, General - 821.4  Agricultural Products - 941.4  Optical Variables Measurements - 943.2  Mechanical Variables Measurements

Numerical data indexing:Power 1.52e+00W, Power 2.21e+00W, Power 3.03e+00W, Size 2.78e-07m, Size 2.90e-05m, Size 2.98e-05m, Size 3.08e-05m, Size 4.38e-07m, Size 6.13e-07m, Size 6.13e-07m to 6.19e-07m, Size 6.20e-07m, Size 6.20e-07m to 6.29e-07m, Size 6.29e-08m, Size 6.34e-07m, Size 6.34e-07m to 6.49e-07m, Size 7.14e-07m, Size 7.59e-07m, Size 9.40e-07m, Size 9.80e-07m

DOI:10.3788/gzxb20174601.0114001

Funding Details: Number; Acronym; Sponsor: 61205114; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2017 Elsevier Inc.

<RECORD 14>

Accession number:20171103436790

Title:Core arrangement method for few-mode multi-core fibres

Authors:Tu, Jia-Jing (1); Qiao, Xi-Hui (1); Long, Ke-Ping (1)

Author affiliation:(1) Institute of Advanced Network Technologies and New Services, School of Computer and Communication Engineering, University of Science and Technology Beijing, Beijing; 100083, China

Corresponding author:Long, Ke-Ping(longkeping@ustb.edu.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:46

Issue:1

Issue date:January 1, 2017

Publication year:2017

Article number:0106001

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:An optimizing method for the core arrangemnt of three-mode twelve-core fiber was proposed. After investigating the characteristics such as inter-core crosstalk, threshold value of bending radius and Relative Core Multiplicity Factor (RCMF), the optimized scheme for One-Ring Structure (ORS) and Square-Lattice Structure (SLS) were presented. For ORS, it is hard to find an appropriate core deployment to meet both requirements that crosstalk is not higher than -30 dB/100 km at the wavelength of 1 625 nm and the cable cutoff wavelength is not larger than 1 530 nm. For SLS, crosstalk can be lower than -30 dB/100 km after bending radius being larger than the threshold value, maximum cutoff wavelength is not larger than 1530 nm and RCMF can reach ~15 at the wavelength of 1625 nm, which indicates that SLS is a more suitable core arrangement than ORS for the three-mode twelve-core fiber. &copy; 2017, Science Press. All right reserved.

Number of references:24

Page count:8

Main heading:Fibers

Controlled terms:Computer simulation - Crosstalk - Fiber optics - Space division multiple access

Uncontrolled terms:Bending radius - Cutoff wavelengths - Differential Mode Delays - Multi core - Ring structures - Space division multiplexing - Square lattice structure - Threshold-value

Classification code:723.5  Computer Applications - 741.1.2  Fiber Optics

Numerical data indexing:Size 1.53e-06m, Size 1.63e-06m

DOI:10.3788/gzxb20174601.0106001

Funding Details: Number; Sponsor: 2015M570934; China Postdoctoral Science Foundation - Number; Acronym; Sponsor: 61501027; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2017 Elsevier Inc.

<RECORD 15>

Accession number:20171103436783

Title:Structures and properties of black multicrystalline silicon with a structure of invert pyramid prepared controllably by ag and cu dually assisted chemical etching method

Authors:Zheng, Chao-Fan (1); Shen, Hong-Lie (1); Pu, Tian (1, 2); Jiang, Ye (1); Li, Yu-Fang (1); Tang, Qun-Tao (1); Yang, Nan-Nan (1); Jin, Lei (1)

Author affiliation:(1) College of Materials Science and Technology, Jiangsu Key Laboratory of Materials and Technology for Energy Conversion, Nanjing University of Aeronautics and Astronautics, Nanjing; 210016, China; (2) Phono Solar Technology Co., Ltd., Nanjing; 210061, China

Corresponding author:Shen, Hong-Lie(hlshen@nuaa.edu.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:46

Issue:1

Issue date:January 1, 2017

Publication year:2017

Article number:0116002

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:Using by the method of one step Ag and Cu dual elements based Metal Assisted Chemical Etching(MACE), a nano-light trapping structure was prepared at a room temperature on the surface of the multicrystalline silicon. Then, the silicon wafers were made an anisotropic refactoring using by a Nano Structure Rebuilding (NSR) solution at a temperature of 50&#8451;, so that the invert pyramid light trapping structures with different sizes were prepared. The reflectance and surface morphologies of multicrystalline silicon, and the minority carrier lifetime of the passivated multicrystalline silicon were measured by spectrophotometer, scanning electron microscopy and Sinton WCT-120 tool respectively. The results show that, the main factor to affect the final size of invert pyramid structure is the depth of the as-etched nanostructure. The deeper the depth is, the larger the final size of invert pyramid structure becomes. With the increase of NSR refactoring time, the size of the invert pyramid structure goes larger and the reflectance becomes higher too. While the minority carrier lifetime increases with the increasing of the size of invert pyramids after atomic layer deposition passivating, one should make a balance between anti-reflection result and passivation effect. An invert pyramid with an edge length of 600 nm is found to be an optimal size, corresponding a reflectance of 9.87% and a minority carrier lifetime of 37.82 &mu;s. &copy; 2017, Science Press. All right reserved.

Number of references:18

Page count:7

Main heading:Silicon wafers

Controlled terms:Atomic layer deposition - Carrier lifetime - Etching - Nanostructures - Passivation - Polysilicon - Reflection - Scanning electron microscopy - Silicon - Silver  - Solar energy

Uncontrolled terms:Black silicon - Invert pyramid - Light trapping structures - MACE - Metal-assisted chemical etching - Minority carrier lifetimes - Multi-crystalline silicon - Structures and properties

Classification code:539.2.1  Protection Methods - 547.1  Precious Metals - 549.3  Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals - 657.1  Solar Energy and Phenomena - 701.1  Electricity: Basic Concepts and Phenomena - 714.2  Semiconductor Devices and Integrated Circuits - 761  Nanotechnology - 802.2  Chemical Reactions - 933  Solid State Physics - 933.1.2  Crystal Growth

Numerical data indexing:Percentage 9.87e+00%, Size 6.00e-07m, Time 3.78e-05s

DOI:10.3788/gzxb20174601.0116002

Funding Details: Number; Acronym; Sponsor: 61176062; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2017 Elsevier Inc.

<RECORD 16>

Accession number:20171103436802

Title:Incoherently coupled spatial soliton families governed by both the linear and quadratic electro-optic effects

Authors:Jiang, Qi-Chang (1); Su, Yan-Li (1); Nie, He-Xian (1); Ma, Zi-Wei (1); Li, Yong-Hong (1)

Author affiliation:(1) Department of Physics and Electronic Engineering, Yuncheng University, Yuncheng; Shanxi; 044000, China

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:46

Issue:1

Issue date:January 1, 2017

Publication year:2017

Article number:0119001

Language:English

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:Based on the biased one-photon photorefractive crystals, the solutions of incoherently coupled bright and dark soliton families governed simultaneously by linear and quadratic electro-optic effects were derived theoretically. The intensity profile and stability of soliton families were investigated. The different functions of the linear and quadratic electro-optic effects were discussed and the results show that, the interplay between the linear and quadratic electro-optic effects can enhance the photorefractive nonlinearity for bright soliton families but weaken the photorefractive nonlinearity for dark soliton families. Moreover, the bright soliton components can remain invariant during propagation process, and the dark soliton components show instability for long propagation distance. &copy; 2017, Science Press. All right reserved.

Number of references:16

Page count:6

Main heading:Solitons

Controlled terms:Nonlinear optics - Photoreactivity - Photorefractive crystals

Uncontrolled terms:Electrooptic effects - Incoherently coupled - Intensity profiles - Photorefractive effects - Photorefractive nonlinearity - Propagation distances - Propagation process - Quadratic electro-optic effects

Classification code:741.1  Light/Optics - 741.1.1  Nonlinear Optics

DOI:10.3788/gzxb20174601.0119001

Database:Compendex

Compilation and indexing terms, Copyright 2017 Elsevier Inc.

<RECORD 17>

Accession number:20171103436800

Title:Electromechanical coupling characteristics of optical-electric theodolite

Authors:Zhang, Jing (1); Hao, Wei (1); Yang, Xiao-Xu (1); Jing, Feng (1); Huang, Wei (1); Qiu, Peng (1); Cao, Bei (1)

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

Corresponding author:Cao, Bei(candy@opt.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:46

Issue:1

Issue date:January 1, 2017

Publication year:2017

Article number:0112005

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:Combing the structure dynamic design method with the control theory, the flexible electromechanical coupling control model was built which is difference from the traditional rigid control model. The relationship between the structural fundamental frequency and servo bandwidth was analyzed, then the dynamic quantitative design principles were put-forward, The experiment results show that, the theodolite structure frequency should be far away from the resonant frequency of the system, and meet &omega;<inf>n</inf>&ge;3&omega;<inf>r</inf>at least, which is effective and feasible, has solved the high precision large theodolite electromechanical resonance problem, and provide the basis of engineering for designing fast response and high tracking precision of photoelectric theodolite. &copy; 2017, Science Press. All right reserved.

Number of references:10

Page count:7

Main heading:Structural design

Controlled terms:Bandwidth - Dynamic analysis - Electromechanical coupling - Natural frequencies - Photoelectricity - Precision engineering - Professional aspects

Uncontrolled terms:Damping ratio - Electro-optical - Gain - Servo bandwidth - Structural frequencies

Classification code:408.1  Structural Design, General - 701.1  Electricity: Basic Concepts and Phenomena - 716.1  Information Theory and Signal Processing - 901.1  Engineering Professional Aspects

DOI:10.3788/gzxb20174601.0112005

Funding Details: Number; Acronym; Sponsor: 61505248; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2017 Elsevier Inc.

<RECORD 18>

Accession number:20171103436795

Title:Pulsed laser detection azimuth magneto-electric detection technology

Authors:Xu, Xiao-Bin (1); Zhang, He (1)

Author affiliation:(1) ZNDY of Ministerial Key Laboratory, Nanjing University of Science and Technology, Nanjing; 210094, China

Corresponding author:Zhang, He(hezhangz@njust.edu.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:46

Issue:1

Issue date:January 1, 2017

Publication year:2017

Article number:0114003

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:Pulse laser fuze of conventional ammunition cannot accurately obtain the azimuth information of target. Therefore, the circumferential azimuth detection scheme of single beam laser fuze was designed based on magnetic-electric detection. The magnetic-electric detection system was modeled; a cylindrical permanent magnet rotating magnetic field model was established. The analytic expression of magnetic position which is measured by magneto resistive sensor was deduced. According to the analytical expression of the magnetic signal, rising along the cycle threshold detection method was put forward. The high precision azimuth resolution was achieved by using the method of combining FPGA with TDC-GP21 to measure high precision time, which is the time of laser echo signal appearance and the period of motor speed signal. According to the scheme, prototype was designed, and the program of the host computer was finished. The experiment of azimuth angle detection was carried out. The experimental results show that, the magnetic-electric detection system uses multiple shield method which can effectively suppress electromagnetic interference. Meanwhile, this system can achieve real time monitoring of the motor speed and range angle solver. Azimuth solution calculation error is in plus or minus 2&deg;. The magnetic-electric detection system can meet the requirement of high precision and anti-interference ability of the azimuth angle measurement of laser fuze. &copy; 2017, Science Press. All right reserved.

Number of references:16

Page count:9

Main heading:Signal detection

Controlled terms:Electromagnetic pulse - Electromagnetic shielding - Interference suppression - Magnetism - Magnets - Permanent magnets - Pulsed lasers - Time measurement

Uncontrolled terms:Analytical expressions - Azimuth - Laser detection - Laser fuze - Magnetic modeling - Magneto resistive sensors - Real time monitoring - Rotating magnetic fields

Classification code:701  Electricity and Magnetism - 701.2  Magnetism: Basic Concepts and Phenomena - 704.1  Electric Components - 716.1  Information Theory and Signal Processing - 744.1  Lasers, General - 943.3  Special Purpose Instruments

DOI:10.3788/gzxb20174601.0114003

Database:Compendex

Compilation and indexing terms, Copyright 2017 Elsevier Inc.

<RECORD 19>

Accession number:20171103436797

Title:Multi-current X-ray projection fusion method based on dynamic

Authors:Zhang, Xiang (1, 2); Yan, Bin (1); Li, Lei (1); Lian, Jing-Dong (2); Xi, Xiao-Qi (1); Chen, Si-Yu (1); Zhang, Feng (1); Li, Jian-Xin (1)

Author affiliation:(1) National Digital Switching System Engineering and Technological Research Center, Zhengzhou; 450002, China; (2) 95807 Troops of the PLA, China

Corresponding author:Yan, Bin(ybspace@hotmail.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:46

Issue:1

Issue date:January 1, 2017

Publication year:2017

Article number:0112002

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:Aiming at this threshold selection problem for multi-current projection fusion, a method based on dynamic time warping was proposed. Firstly, the sequences of gray value-effective edge gradient is calculated from the projections with different currents. Secondly the dynamic time warping distance is used to match the similarity of the above sequences, and the optimal fusion threshold is automatically determined. Finally the sub regions are extracted for fusion based on the threshold, achieving a higher dynamic range of the detector. The average error of fusion threshold at each angle is only 2.26% calculated by the proposed method, which could avoid subjectivity in the fusion threshold selection. Simulation and experimental results show that both the SNR and the measurement accuracy of geometric dimensions based on the fused computed tomography image are better than those with a fixed threshold. &copy; 2017, Science Press. All right reserved.

Number of references:19

Page count:8

Main heading:Computerized tomography

Controlled terms:Tomography

Uncontrolled terms:Computed tomography images - Dynamic time warping - Dynamic time warping distance - Edge gradient - Geometric dimensions - Measurement accuracy - Threshold selection - X-ray projections

Classification code:723.5  Computer Applications - 746  Imaging Techniques

Numerical data indexing:Percentage 2.26e+00%

DOI:10.3788/gzxb20174601.0112002

Funding Details: Number; Acronym; Sponsor: 61372172; NSFC; National Natural Science Foundation of China - Number; Acronym; Sponsor: 61601518; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2017 Elsevier Inc.

<RECORD 20>

Accession number:20171103436786

Title:Dynamic clamping design of space remote sensing cameras

Authors:Dong, Li-Li (1); Cao, Qi-Lei (1); Zhao, Ming (1); Wu, Hou-De (1); Xu, Wen-Hai (1)

Author affiliation:(1) Information Science and Technolog College, Dalian Maritime University, Dalian; Liaoning; 116026, China

Corresponding author:Cao, Qi-Lei(caoqilei_2013@163.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:46

Issue:1

Issue date:January 1, 2017

Publication year:2017

Article number:0111002

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:The dynamic clamping method of space remote sensing cameras was proposed to solve the above-mentioned problem. The method can realize adequately quantization of scene information by subtracting the value of atmospheric path radiation at the analog front end of camera. Imaging chain model for space remote sensing cameras was established first, and the effect of atmospheric path radiation on the image grey-scale area was analysed. Then, the dynamic clamping camera was developed, therefore the analog signal subtracted from the camera hardware circuit was implemented. Besides, experiments were carried out to test the dynamic clamp camera. And the value of atmospheric path radiation calculated by MODTRAN software was converted to value of camera clamp in experiments. Experiments results showed that, the low end information of camera can be fully used by this method, and the image grey-scale range increases by 62 percent. Thus low end quantitative information can also be adopted by designing dynamic clamping for space remote sensing cameras. Then the information of targets can be represented by more quantization bits, and the radiometric resolution is improved as well as more details information of image are remained. &copy; 2017, Science Press. All right reserved.

Number of references:17

Page count:8

Main heading:Remote sensing

Controlled terms:Atmospheric radiation - Cameras - Image enhancement - Space optics

Uncontrolled terms:Analog front end - Clamping method - Hardware circuits - Image grey scale - Path radiations - Quantitative information - Radiometric resolution - Space remote sensing camera

Classification code:443.1  Atmospheric Properties - 656.1  Space Flight - 742.2  Photographic Equipment

Numerical data indexing:Percentage 6.20e+01%

DOI:10.3788/gzxb20174601.0111002

Database:Compendex

Compilation and indexing terms, Copyright 2017 Elsevier Inc.

<RECORD 21>

Accession number:20171103436796

Title:Detection of trace amounts of hexavalent chromium ion in water based on optical waveguide analysis technology

Authors:Xiao, Ping-Ping (1); Deng, Man-Lan (1); Hu, Hong-Wu (1); Liu, Wei-Zheng (1)

Author affiliation:(1) College of Physics Science and Engineering Technology, Yichun University, Yichun; Jiangxi; 336000, China

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:46

Issue:1

Issue date:January 1, 2017

Publication year:2017

Article number:0112001

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:An optical sensor based on symmetrical metal cladding optical waveguide was proposed. Utilizing the ultra high order guided modes motivated by this sensor which are ultra sensitive to the imaginary part of the refractive index of the guide wave layer as probe, and combining with the specific color rendering principle of diphenylcarbazide and hexavalent chromium ion, the trace amounts of hexavalent chromium ion in water were detected. The theoretical and experimental results show that, the limit of detection is 1ug/L which is same as the international standard. This new method has a lot of advantages, such as lower specimen, shorter time, good real-time, high stabilization, lower cost and so on. &copy; 2017, Science Press. All right reserved.

Number of references:18

Page count:6

Main heading:Water absorption

Controlled terms:Chromium - Chromium compounds - Ions - Metal ions - Optical waveguides - Refractive index - Water pollution - Waveguides

Uncontrolled terms:Diphenylcarbazide - Hexachromium Cr(VI) - Hexavalent chromium ions - International standards - Limit of detection - Optical waveguide analysis - Sensitivity - Water contamination

Classification code:453  Water Pollution - 531.1  Metallurgy - 543.1  Chromium and Alloys - 714.3  Waveguides - 741.1  Light/Optics - 802.3  Chemical Operations

DOI:10.3788/gzxb20174601.0112001

Funding Details: Number; Acronym; Sponsor: 11664043; NSFC; National Natural Science Foundation of China - Number; Sponsor: 20132BAB201048; Natural Science Foundation of Jiangxi Province - Number; Acronym; Sponsor: 61168002; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2017 Elsevier Inc.

<RECORD 22>

Accession number:20171103436787

Title:A method of measure the liquid-crystal's modulating characteristic

Authors:Du, Sheng-Ping (1, 2, 3); Fu, Cheng-Yu (1, 3); Huang, Yong-Mei (1, 3); Luo, Chuan-Xin (1, 3); Wang, Xiang-Ru (4)

Author affiliation:(1) The Institute of Optics and Electronics the Chinese Academy of Sciences, Chengdu; 610209, China; (2) University of Chinese Academy of Sciences, Beijing; 100049, China; (3) Key Laboratory of Beam Control, Chinese Academy of Sciences, Chengdu; 610209, China; (4) School of Optoelectronic Information, University of Electronic Science and Technology of China, Chengdu; 610054, China

Corresponding author:Fu, Cheng-Yu(wolfdsp@163.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:46

Issue:1

Issue date:January 1, 2017

Publication year:2017

Article number:0105001

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:A method to measure modulation property of liquid crystal based on diffraction grating was proposed. This method utilizes liquid-crystal to establish the binary phase gratings with the phase of 0 and &phi; respectively, the relation between intensity of zero-order diffraction spots and &phi; can be deduced by Fourier transformation, and the relation between intensity of zero-order diffraction spots and voltage of liquid crystal pole was measured by experiment. Therefore, relation between phase &phi; and voltage of pole liquid crystal can be achieved, that is the modulation property of this liquid crystal. Finally, the modulation property was used to creat liquid crystal phased array to steer laser beam, experimental results indicate that phase error is less than 1&times;10<sup>-3</sup>rad. &copy; 2017, Science Press. All right reserved.

Number of references:11

Page count:8

Main heading:Liquids

Controlled terms:Antenna phased arrays - Diffraction - Diffraction gratings - Fourier optics - Fourier transforms - Laser beams - Liquid crystals - Modulation - Poles

Uncontrolled terms:Binary phase grating - Crystal phased arrays - Fourier transformations - Modulating characteristic - Modulation properties - Phase error - Zero-order diffraction

Classification code:408.2  Structural Members and Shapes - 741.1  Light/Optics - 741.3  Optical Devices and Systems - 744.8  Laser Beam Interactions - 921.3  Mathematical Transformations

DOI:10.3788/gzxb20174601.0105001

Database:Compendex

Compilation and indexing terms, Copyright 2017 Elsevier Inc.

<RECORD 23>

Accession number:20171103436778

Title:Research on large size MEMS scanning mirror driven by electromagnetic

Authors:He, Jia-Hui (1, 2); Zhou, Peng (2); Yu, Hui-Jun (2); Shen, Wen-Jiang (2); Si, Jin-Hai (1)

Author affiliation:(1) The school of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an; 710049, China; (2) Key Lab of Nanodevices and Applications, Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou; Jiangsu; 215123, China

Corresponding author:Shen, Wen-Jiang(wjshen2011@sinano.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:46

Issue:1

Issue date:January 1, 2017

Publication year:2017

Article number:0123003

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:Based on the Micro Electronic Mechanical System(MEMS) processing, a large size 2-D scanning mirror driven by electromagnetic force was designed and implemented. Two different driving methods were compared, and the method of dipole driving was chosen because of its higher torque. Meanwhile, the static response and dynamic response of the device were analyzed by using finite element simulation, the simulation results matched with the measurement data of the device. The fabrication and packaging steps for the MEMS mirror were described in details, and the mirror was fabricated. The testing results show that when the driving current reaches 120 mA, the MEMS mirror has static titling angles of &plusmn;4.5&deg; and &plusmn;5&deg; along slow axis and fast axis respectively. The scanning resonant frequency for the mirror along slow axis is 348 Hz, and 660 Hz along fast axis. Finally, the MEMS mirror was used in laser display system to reduce the laser speckle, the speckle contrast can be reduced to 4.2%, and the image quality of a laser display system can be greatly improved with the MEMS mirror. &copy; 2017, Science Press. All right reserved.

Number of references:15

Page count:8

Main heading:Laser mirrors

Controlled terms:Display devices - Finite element method - Mechanics - MEMS - Mirrors - Natural frequencies - Optical testing - Scanning - Speckle

Uncontrolled terms:Electromagnetic forces - Finite element simulations - Laser display system - Laser speckle - Lissajous - MEMS scanning mirror - Micro-electronic-mechanical systems - Speckle contrasts

Classification code:704.2  Electric Equipment - 722.2  Computer Peripheral Equipment - 741.1  Light/Optics - 741.3  Optical Devices and Systems - 921.6  Numerical Methods - 931.1  Mechanics

Numerical data indexing:Electric_Current 1.20e-01A, Frequency 3.48e+02Hz, Frequency 6.60e+02Hz, Percentage 4.20e+00%

DOI:10.3788/gzxb20174601.0123003

Database:Compendex

Compilation and indexing terms, Copyright 2017 Elsevier Inc.

<RECORD 24>

Accession number:20171103436799

Title:Measurement method of LED etendue based on near-field source model

Authors:Gui, Li (1, 2); Yin, Shao-Yun (1); Cai, Wen-Tao (1); Sun, Xiu-Hui (1); Du, Chun-Lei (1); Ding, Xue-Zhuan (2)

Author affiliation:(1) Optoelectronic Technology Integration Center, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing; 400714, China; (2) Key Laboratory of Infrared System Detection and Imaging Technology, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai; 200083, China

Corresponding author:Cai, Wen-Tao(caiwentao@cigit.ac.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:46

Issue:1

Issue date:January 1, 2017

Publication year:2017

Article number:0112004

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:A method for measuring the &eacute;tendue of LED was proposed based on the near-field model of the LED source. The curve of luminous power on &eacute;tendue can be obtained by tracing rays data in LED near-field moled, which can directly reflect the &eacute;tendue characteristics and the energy efficieny of LED source. Taking the UV-LED array surface source in the exposure system as an example, the actual measurement of the three different models of UV-LED were carried out. The designer can make a judgment on the UV-LED beam quality by the &eacute;tendue and energy efficiency curve, which can provide help for the optimization design of the UV-LED array surface source. &copy; 2017, Science Press. All right reserved.

Number of references:15

Page count:6

Main heading:Light emitting diodes

Controlled terms:Curve fitting - Energy efficiency - Light - Light sources - Optical design

Uncontrolled terms:Actual measurements - Etendue - Exposure system - Measurement methods - Near fields - Near-field source - Non-imaging optics - Optimization design

Classification code:525.2  Energy Conservation - 714.2  Semiconductor Devices and Integrated Circuits - 741.1  Light/Optics - 921.6  Numerical Methods

DOI:10.3788/gzxb20174601.0112004

Funding Details: Number; Acronym; Sponsor: 61275061; NSFC; National Natural Science Foundation of China - Number; Acronym; Sponsor: 61475199; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2017 Elsevier Inc.

<RECORD 25>

Accession number:20171103436792

Title:Sagnac interferometer fiber volatile organic compounds sensor based on PDMS

Authors:Wu, Bin-Qing (1); Zhao, Chun-Liu (1); Ding, Zhen-Ming (1)

Author affiliation:(1) College of Optical and Electronic Technology, China Jiliang University, Hangzhou; 310018, China

Corresponding author:Zhao, Chun-Liu(zhchunliu@hotmail.com)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:46

Issue:1

Issue date:January 1, 2017

Publication year:2017

Article number:0106003

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:To fabricate the Sagnac interferometer sensor, a polarization-maintaining fiber with the length of 8 cm was spliced between two single-mode fibers, and the polydimethylsiloxane material was coated on the polarization-maintaining fiber, then the polydimethylsiloxane functionalized polarization-maintaining fiber was integrated into a fiber coupler to form a Sagnac loop. When the polydimethylsiloxane absorbs volatile organic compounds, the polydimethylsiloxane will be swelled and the wavelength of interference peak will shift, so that the concentration of volatile organic compounds can be measured by monitoring wavelength shift. The response of the sensor to the concentration of volatile organic compounds was measured experimentally, and the results show that the sensitivity of the sensor is 1.03 pm/ppm when the concentration ranges from 0 ppm to 6 000 ppm. The optical spectrum analyzer with a 0.02 nm measurement precision was used in experiments, so the precision could reach about 19.4 nm in the concentration range from 0 to 6 000 ppm. The sensor's sensitivity improves 4 300 times which compared to grating fiber with polydimethylsiloxane material sensor. &copy; 2017, Science Press. All right reserved.

Number of references:20

Page count:7

Main heading:Polarization-maintaining fiber

Controlled terms:Fiber optic sensors - Fibers - Gas chromatography - Interferometers - Light polarization - Organic compounds - Polarization - Polydimethylsiloxane - Silicones - Single mode fibers  - Spectrum analyzers - Volatile organic compounds

Uncontrolled terms:Concentration ranges - Fiber optics sensors - Functionalized - Interference peaks - Measurement precision - Optical spectrum analyzer - Sagnac interferometer - Wavelength shift

Classification code:741.1  Light/Optics - 741.1.2  Fiber Optics - 802.3  Chemical Operations - 804.1  Organic Compounds - 815.1.1  Organic Polymers - 941.3  Optical Instruments

Numerical data indexing:Size 1.94e-08m, Size 2.00e-11m, Size 8.00e-02m

DOI:10.3788/gzxb20174601.0106003

Database:Compendex

Compilation and indexing terms, Copyright 2017 Elsevier Inc.

<RECORD 26>

Accession number:20171103436798

Title:Size information extraction of particles radiated by the thin beam in Light Extinction Particle Sizing

Authors:Wang, Hao (1); Shen, Jin (1); Liu, Wei (1); Chen, Wen-Gang (1); Ma, Li-Xiu (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:46

Issue:1

Issue date:January 1, 2017

Publication year:2017

Article number:0112003

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:In order to measure both large and small particles, based on the analysis of the pulse signal of the spherical particle irradiated by a thin beam, a method for extracting the equivalent particle size information was proposed. This method combines the amplitude and duration of the pulse signal by the integral of the pulse signal, which makes the equivalent particle size information extracted from the pulse signal more accurate. The ideal pulse signal was simulated and experiment was made by using standard polystyrene latex particles. The results show that the method can effectively extract the particle size information of large and small particles, which broaden the detection range. In addition, the effect of flow velocity and noise on the extraction of the particle size was analyzed. When the flow rate is less than 10%, the measurement error is less than 5.4%, and when the noise is less than 1%, the measurement error is less than 0.5%. &copy; 2017, Science Press. All right reserved.

Number of references:18

Page count:9

Main heading:Particle size analysis

Controlled terms:Flow rate - Flow velocity - Information analysis - Information retrieval - Light extinction - Measurement errors - Particle size - Radiation counters

Uncontrolled terms:Detection range - Equivalent particle size - Particle size information - Particle sizing - Polystyrene latex particles - Pulse signal - Small particles - Spherical particle

Classification code:631  Fluid Flow - 741.1  Light/Optics - 903.1  Information Sources and Analysis - 903.3  Information Retrieval and Use - 944.7  Radiation Measuring Instruments - 951  Materials Science

Numerical data indexing:Percentage 1.00e+00%, Percentage 1.00e+01%, Percentage 5.00e-01%, Percentage 5.40e+00%

DOI:10.3788/gzxb20174601.0112003

Funding Details: Number; Acronym; Sponsor: 61205191; NSFC; National Natural Science Foundation of China - Number; Sponsor: ZR2014FL027; Natural Science Foundation of Shandong Province - Number; Sponsor: ZR2015FL034; Natural Science Foundation of Shandong Province

Database:Compendex

Compilation and indexing terms, Copyright 2017 Elsevier Inc.

<RECORD 27>

Accession number:20171103436794

Title:Wide-spectrum all-normal-dispersion Yb-doped fiber laser

Authors:Li, Meng-Meng (1, 2, 3, 4); Hou, Lei (1, 2, 3); Lin, Qi-Meng (1, 2, 3); Guo, Hong-Yu (1, 2, 3); Lu, Bao-Le (1, 2, 3); Chen, Hao-Wei (1, 2, 3); Feng, Hong-Jian (4); Bai, Jin-Tao (1, 2, 3, 4)

Author affiliation:(1) National Center for International Research of Photoelectric Technology and Functional Materials, Institute of Photonics and Photon-Technology, Northwest University, Xi'an; 710069, China; (2) Shaanxi Engineering Technology Research Center for Solid State Lasers and Application, Northwest University, Xi'an; 710069, China; (3) Institute of Photonics and Photon-technology, Provincial Key Laboratory of Photo-electronic Technology, Northwest University, Xi'an; 710069, China; (4) Department of Physics, Northwest University, Xi'an; 710069, China

Corresponding author:Hou, Lei(lhou@nwu.edu.cn)

Source title:Guangzi Xuebao/Acta Photonica Sinica

Abbreviated source title:Guangzi Xuebao

Volume:46

Issue:1

Issue date:January 1, 2017

Publication year:2017

Article number:0114002

Language:Chinese

ISSN:10044213

CODEN:GUXUED

Document type:Journal article (JA)

Publisher:Chinese Optical Society

Abstract:An all-normal-dispersion mode-locked Yb-doped fiber laser with wide spectrum was investigated. The stable mode-locking is realized based on the nonlinear polarization evolution. At the pumping power of 500 mW, the power of mode-locked laser can produce more than 130 mW output at the repetition rate of 28.1 MHz with pulse duration of 3.8 ps. In order to explore the spectral characteristics of all-normal-dispersion laser, the cavity is implemented by splicing the 50-m single mode fiber and by removing the birefringent filter. Under the pump power of 500 mW, the stable dissipative solitons are obtained with 90 mW output power, 3.58 MHz repetition rate, 519 ps pulse duration and spectrum ranging from 1 005~1 140 nm. &copy; 2017, Science Press. All right reserved.

Number of references:17

Page count:6

Main heading:Mode-locked fiber lasers

Controlled terms:Fiber lasers - Fibers - Locks (fasteners) - Optical pumping - Polarization - Pulse repetition rate - Pumping (laser) - Single mode fibers - Solitons - Ultrashort pulses  - Ytterbium

Uncontrolled terms:All normal dispersions - Dissipative solitons - Nonlinear polarization rotation - Wide spectrum - Ytterbium-doped fiber lasers

Classification code:547.2  Rare Earth Metals - 741.1.2  Fiber Optics - 744.1  Lasers, General - 744.4  Solid State Lasers

Numerical data indexing:Frequency 2.81e+07Hz, Frequency 3.58e+06Hz, Power 1.30e-01W, Power 5.00e-01W, Power 9.00e-02W, Size 1.01e-06m to 1.14e-06m, Size 5.00e+01m, Time 3.80e-12s, Time 5.19e-10s

DOI:10.3788/gzxb20174601.0114002

Funding Details: Number; Acronym; Sponsor: 61475125; NSFC; National Natural Science Foundation of China

Database:Compendex

Compilation and indexing terms, Copyright 2017 Elsevier Inc.

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