Contents
2021
Volume: 50 Issue 9
36 Article(s)

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A Denoising Method for LiDAR Bathymetry System via Multidimensional Temporal-spatial Analysis
Mao YE, Pinquan WANG, Yiqiang ZHAO, Rui CHEN, Bin HU, and Guoqing ZHOU
A denoising technique is proposed based on the temporal-spatial joint analysis to improve the detection accuracy of the LiDAR bathymetry system. Utilize the strong temporal-spatial correlation between echo signals in multiple pulse trigger sampling periods of the LiDAR system, multiple set of similar echo sequences can
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0907001 (2021)
Detectors
Preparation and Performance Study of g-C3N4/CdS Heterojunction Ultraviolet-visible Photodetector
Pengwei ZHI, Ping RONG, Shuai REN, Xiangwei LIU, and Shiyong GAO
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0904001 (2021)
Comparison of Resolution Between Super Gen.Ⅱ and Gen.Ⅲ Image Intensifier
Xiaofeng LI, Le CHANG, Heng ZHAO, Yongsheng QIU, Junyu CHEN, and Yanyun ZHANG
In this paper, the resolution of the super second generation image intensifier and the third generation image intensifier under different illuminations are studied. The results show that the resolution of the super second generation image intensifier and the third generation image intensifier with the same gain, limit
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0904003 (2021)
Preparation of 2D Composite Grating Antireflection Coatings and Its Application in Solar Cells
Bochuan ZHOU, Chaolong FANG, and Yaoju ZHANG
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0904004 (2021)
Fiber Optics and Optical Communications
Fiber Bragg Grating Demodulation Method Based on Improved Manta Ray Foraging Optimization Algorithm
Qiufeng SHANG, and Genbei YANG
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0906001 (2021)
Study on Strain Transfer Mechanism of Three Dimensions Printing Encapsulated Fiber Bragg Grating Sensor
Li SUN, Xinxin SUN, Tianqi LIANG, Chuang LI, and Chunwei ZHANG
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0906002 (2021)
Optical Fiber Perimeter Intrusion Pattern Recognition Based on 1D-CNN
Houdan YU, Qiushi MI, Dong ZHAO, and Qian XIAO
Based on previous pattern recognition research which uses Mel Cepstrum coefficient method to extract frequency characteristics of disturbance signal, a fiber intrusion pattern recognition method using 1-Dimension convolutional neural network is purposed for interferometric distributed optical fiber sensing system. Hier
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0906003 (2021)
Low-coherence Heterodyne Interference Clearance Measurement Technology Based on Differential Detection
Jing LI, Wei ZHANG, Bin SHAO, Xing FAN, Peng ZHANG, and Weimin CHEN
The clearance measurement environment of engine and gas turbine is harsh due to the high temperature, high pressure, and strong vibration. In such a measurement environment, the low-coherence heterodyne interferometric clearance measurement technique faces the problem of weak signal and the limited measurement range ca
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0906004 (2021)
Optical Fiber Sensing Structure for Slope Monitoring Based on Brillouin Optical Time Domain Reflectometer
Shiyi LI, Hao LI, Wenbin JI, Feng WANG, Xiao ZHOU, Xinyu YUAN, Yixin ZHANG, Xuping ZHANG, Haitao LI, Jingzeng LI, and Guanzhong BO
Distributed Brillouin optical fiber sensor has great potential for slope monitoring. The sensing fiber is easy to be broken due to extensive local strain, and it is often difficult to obtain accurate measuring results due to the limitation of the spatial resolution. In order to fit for the slope monitoring, an Optical
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0906005 (2021)
Design, Fabrication and Performance Research of a High Precision FBG Micro-displacement Sensor with Temperature Compensation
Zhenwei CHEN, Huanquan CHEN, Wenhui SHI, Jianyu LI, Jiajin ZHENG, and Wei WEI
A high-precision Fiber Bragg Grating (FBG) displacement sensor was proposed based on the combination of a spring and a slider. It can realize the displacement measurement and temperature compensation on a single fiber, which greatly reduces space occupation. Experimental results show that the sensor has excellent micro
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0906006 (2021)
High Sensitivity Fabry-Pérot Interferometric Temperature Sensor Based on Three Different Microcavity States
Hang SU, Chunlong ZHAO, Zhaorong ZHANG, Fanxin KONG, Jiuru YANG, and Chunyu LIU
A temperature sensing system based on the Fabry-Pérot interference structure is designed. Air, distilled water, 5% NaCl solution, absolute ethanol, methanol and cured silicon rubber are used as the temperature sensitive materials of the sensor to improve the temperature sensitivity effectively. The experimental re
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0906007 (2021)
Four Wave Mixing Noise Analysis of Classical-quantum Signals Co-channel Transmission System
Jiahao LI, Lei SHI, Tianxiu LI, Yang XUE, and Yani LI
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0906008 (2021)
Image Processing
Hyperspectral Images Classification Method Based on 3D Octave Convolution and Bi-RNN Attention Network
Lianhui LIANG, Jun LI, and Shaoquan ZHANG
The traditional convolutional neural network model has substantial spatial feature information redundancy exists in the spatial dimension of the feature maps in hyperspectral image classification, and the spectral band data on a single pixel of the hyperspectral image are regarded as a disordered high dimensional vecto
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0910001 (2021)
Hyperspectral Abnormal Target Detection Based on Extended Multi-attribute Profile and Fast Local RX Algorithm
Ruhan A, Xiaobin YUAN, Xiaodong MU, and Jingyi WANG
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0910002 (2021)
Sand-dust Image Enhancement Based on Multi-exposure Image Fusion
Hao CHEN, Huicheng LAI, Guxue GAO, Hao WU, and Xuze QIAN
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0910003 (2021)
Infrared and Visible Image Fusion Method Based on Dual-path Cascade Adversarial Mechanism
Lili TANG, Gang LIU, and Gang XIAO
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0910004 (2021)
Imaging Systems
Development and Application of Hyperspectral Imager Based on LVF
Qingsheng XUE, Chang LI, Tingting LI, Haoxuan BAI, Zhongtian TIAN, Bai YANG, Fupeng WANG, and Qian LI
The traditional linear variable filter hyperspectral imagers put the linear variable filter in front of the detector window. Due to the difference in the position of the linear variable filter and the detector focal plane, the spectral resolution will be reduced. In order to solve this problem, the hyperspectral imager
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0911001 (2021)
Dynamic False Contour Quantification and Improvement Strategy of Digital Driven OLED
Yuan JI, Kaiwen ZHANG, Wendong CHEN, Tingzhou MU, and Shuping GONG
Aiming at dynamic false contour phenomenon may appear when digital driven OLED displays moving pictures, which affects the viewing quality of human eyes, the machanism of dynamic false contour generation is analyzed, and the visual characteristics of the human eye are considered. Just noticeable distortion integral met
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0911002 (2021)
X-ray Multi-energy Imaging Method Using Multi-layer Flat Panel Detector
Zongpeng WANG, Chongzhou LAN, Minru WEN, and Chao YE
An imaging method that uses multi-layer flat panel detector to acquire X-ray multi-energy images is proposed. Single layer, multi-layer flat panel detector structure is introduced, as well as multi-layer flat panel detector detection imaging system mechanism. X-ray imaging principle is explained, dual energy imaging, s
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0911003 (2021)
UAV-borne Biomimetic Curved Compound-eye Imaging System for Velocity Measurement
Huangrong XU, Jinheng LIU, Yuanjie ZHANG, Dengshan WU, Hao FAN, Xiangpeng FENG, Geng ZHANG, Bingliang HU, and Weixing YU
Based on the visual advantages of the biomimetic compound eye, the biomimetic curved compound-eye is applied to the unmanned aerial vehicle-borne photoelectric detection system to realize the airborne wide field-of-view and high-resolution detection of moving objects purposes. According to the characteristics of the bi
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0911004 (2021)
Calibration and Target Position of Bionic Curved Compound Eye Composed of Multiple Cameras
Zeqiang YUAN, Yuzhang GU, Shoumeng QIU, and Xiaolin ZHANG
According to the characteristics of the bionic curved compound eye with many sub-eyes and multi-channel imaging, the method of multi-camera bionic curved compound eye calibration and target positioning is carried out. Combining the method of triangulation and camera coordinate system mapping under non-parallel binocula
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0911005 (2021)
Instrumentation, Measurement and Metrology
Development of Miniature Optical Encoder for Precise Displacement Measurement
Zhengjie WEI, Di ZHANG, and Guanhao WU
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0912001 (2021)
Distortion Measurement and Correction of Projector Based on Phase Target
Yaqin SUN, Fan WANG, Jin YU, Ang ZHANG, Can ZHANG, Yuzhuo ZHANG, Nan GAO, Zhaozong MENG, and Zonghua ZHANG
The traditional calibration method for calculating projector distortion is complex in system structure and theoretical derivation. Aiming at this problem, a method of measuring and correcting the distortion of the projector based on a phase target was proposed in this paper. In this method a liquid crystal display was
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0912002 (2021)
Morphology Measurement of Glass Micromachining Based on Digital Holography
Weixia LI, Sujuan HUANG, and Cheng YAN
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0912003 (2021)
Research on the Method of Determining the Optical Axis Based on Equivalent Nodal Point Theory
Zhiying LIU, Guiyuan JIA, Tianxiang QIN, Yunhan HUANG, and Han ZHANG
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0912004 (2021)
A Diffraction Correction Method Based on Digital Mirror Device Star Simulator
Duo ZHAO, Guoyu ZHANG, Da XU, Li WANG, Gaofei SUN, Jun ZHONG, Shitong LIANG, and Linghao WU
In order to solve the diffraction problem in the spectrum simulation of the star simulator, a method to eliminate the diffraction effect of the Digital Mirror Device (DMD) is proposed. A scalar diffraction model is established, and the DMD is equivalent to a two-dimensional blazed grating. Based on the grating diffract
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0912005 (2021)
Correction Method of Star Position Error for Splicing Star Simulator
Gaofei SUN, Shanchi MING, Guoyu ZHANG, Shi LIU, and Da XU
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0912006 (2021)
Lasers and Laser Optics
Design and Experiment of Raman Laser System for Atom Interferometric Measurement
Xianhua WANG, Sen JIA, and Junqiang LI
Based on optical phase-locked loop technology, a Raman laser system including three lasers,reference, master and slave lasers, is studied. Among which, the reference laser was firstly frequency-locked by modulated transfer spectrum technology and then as a standard frequency; the master laser, which has a frequency dif
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0914001 (2021)
Power Stability of a Semiconductor Laser Used in Atomic Clocks
Shuhong ZHANG, Peter YUN, Tao YANG, Qiang HAO, and Xin WANG
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0914002 (2021)
Scattering
Dynamic Evolution of the Patically Coherent Circular Edge Dislocation Beams Propagating in Biological Tissues
Meiling DUAN, Jiao DU, Zhiguo ZHAO, Xiaodong HUANG, Yanqin GAO, and Chaoliang DING
The analytical expression for the cross spectral density function of partially coherent circular edge dislocation beams propagating in the deep dermis of mouse tissue is derived based on the generalized Huygens-Fresnel principle, the effects of the initial beam parameters (the beam wavelength λ and the number of circul
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0929001 (2021)
Multi-point Controllable Wavefront Shaping Based on Superpixel Method
Yang ZHAO, and Yingchun DING
A new algorithm for iterative optimization of wavefront shaping which is the combination of Nondominated Sorting Genetic Algorithm Ⅱ-Hybrid and the superpixel method is proposed, using digital micromirror devices for light field modulation. Multi-point controllable light focusing of reflective wavefront shaping is real
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0929002 (2021)
Spectroscopy
Sensing System of Dissolved Methane in Water Based on Cavity-enhanced Laser Spectroscopy
Wenwen CHEN, Kaiyuan ZHENG, Yanwei CAO, Yixi CHEN, Chuantao ZHENG, and Yiding WANG
In order to detect the concentration of methane in water, a sensor system of dissolved methane in water based on off-axis integrated cavity output spectroscopy is developed in this paper. A distributed feedback laser (center wavelength, 1 653 nm), a laser temperature control module, a laser current drive module, a reso
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0930002 (2021)
Intracavity Gas Sensing System Based on Thulium Fiber Laser
Yafan LI, Kun LIU, Tiegen LIU, Junfeng JIANG, and Jifang SHAN
In order to expand the detection range, the 2 μm band laser generated by thulium-doped fiber laser is used to conduct intracavity gas sensing of water vapor in human breathing gas. Firstly, the direct absorption gas sensing technology is analyzed theoretically. Secondly, the characteristics of thulium-doped fiber pumpe
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0930003 (2021)
Terahertz Nondestructive Testing Signal Recognition Based on PSO-BP Neural Network
Meihui JIA, Lijuan LI, Jiaojiao REN, Jian GU, Dandan ZHANG, Jiyang ZHANG, and Weihua XIONG
Acta Photonica Sinica
  • Publication Date: Sep. 25, 2021
  • Vol. 50, Issue 9, 0930004 (2021)