It mainly publishes academic theses, research notes, research letters on Photonics. The contents of the Acta deal with Optics, particularly, Transient Optics, Optoelectronics, Integrated Optics, Information Optics, Guided Wave Optics, Nonlinear Optics, Photo-Biology, Optical Communication, Optical Sensing, Optical Computing, Optical Neural Network, High Speed Photography, Intellectualized Optical Instrument, Photon Function Materials, Interaction between Photons, Classical and Nonclassical effects of Photons, etc.