Contents
2020
Volume: 40 Issue 21
25 Article(s)

Export citation format
Diffraction and Gratings
Optimal Design of Spectroscopic Structure Based on Prism-Grating Combination
Chaobin Zeng, Bin Liu, Zhengde Xia, Yuzhang Shi, and Yan Han
Acta Optica Sinica
  • Publication Date: Oct. 25, 2020
  • Vol. 40, Issue 21, 2105001 (2020)
Fiber Optics and Optical Communications
High-Performance Microwave Photonic Filter Based on Fiber Ring Resonator
Ziping Zhang, Xiaochen Niu, Jie Huang, Shuo Chen, Shaohua Sun, Shengcheng Liu, and Jie Liu
Acta Optica Sinica
  • Publication Date: Oct. 25, 2020
  • Vol. 40, Issue 21, 2106001 (2020)
Development and Verification of Carbon Fiber Based FBG Earth Pressure Sensors Using Additive Manufacturing Technology
Chengzhi Bao, Chengyu Hong, Dean Sun, and Dong Su
We successfully designed and fabricated fiber Bragg grating (FBG) earth pressure sensors based on additive manufacturing (i.e., 3D printing) technology by embedding an FBG in a 3D printing model made of carbon fibers for pressure monitoring under different conditions. The systematic calibration experiment and stability
Acta Optica Sinica
  • Publication Date: Oct. 25, 2020
  • Vol. 40, Issue 21, 2106002 (2020)
Research on Construction Method of Polarization Code in Wireless Optical Communication
Yang Cao, Yue Li, and Xiaohong Li
To solve the problem of high complexity in the construction of polarization codes in wireless optical communication, a turbulence partial-order construction method with lower coding complexity is proposed, which is suitable for atmospheric weak turbulence channels. In this study, the conventional partial-order techniqu
Acta Optica Sinica
  • Publication Date: Oct. 25, 2020
  • Vol. 40, Issue 21, 2106003 (2020)
Image Processing
Segmentation of Subway Tunnel Wall Surface Objects Based on Laser 3D Point Cloud
Guiping Cao, Xingsi Liu, Nian Liu, Kecheng Yang, and Min Xia
Acta Optica Sinica
  • Publication Date: Oct. 25, 2020
  • Vol. 40, Issue 21, 2110001 (2020)
Building Change Detection for Aerial Images Based on Attention Pyramid Network
Qinglin Tian, Kai Qin, Jun Chen, Yao Li, and Xuejiao Chen
Aiming at the problems in the semantic segmentation of remote sensing images, such as missed detection of multi-scale targets and rough segmentation boundary, we propose a method of building change detection for aerial images based on an attention pyramid network. The method adopts an encoding-decoding configuration. I
Acta Optica Sinica
  • Publication Date: Oct. 25, 2020
  • Vol. 40, Issue 21, 2110002 (2020)
Imaging Systems
Deep Learning Based Image Restoration Method of Optical Synthetic Aperture Imaging System
Ju Tang, Kaiqiang Wang, Wei Zhang, Xiaoyan Wu, Guodong Liu, Jianglei Di, and Jianlin Zhao
Acta Optica Sinica
  • Publication Date: Oct. 17, 2020
  • Vol. 40, Issue 21, 2111001 (2020)
Algorithm for Underwater Polarization Imaging Based on Global Estimation
Fei Feng, Guojun Wu, Yafeng Wu, Yuhong Miao, and Bo Liu
In order to realize the clear imaging of underwater targets with high degree of polarization (HDOP), the traditional polarization imaging model is analyzed. Based on the Schechner polarization imaging model and the definition of polarization degree, a polarization imaging restoration algorithm is proposed to globally e
Acta Optica Sinica
  • Publication Date: Oct. 17, 2020
  • Vol. 40, Issue 21, 2111002 (2020)
Instantaneous Image-Rotation Analysis for Dynamic Format Imaging of Space CMOS Camera
Shaoen Wang, Xiubin Yang, Tingting Xu, Jinliang Han, Lin Chang, and Wei Yue
To quantitatively analyze the influence of image-rotation on the image quality during dynamic drift, a fusion model comprising a static image and dynamic drift is proposed based on the dynamic circular scanning imaging theory. A simulation method of image-rotation vector decomposition and refusion is designed based on
Acta Optica Sinica
  • Publication Date: Oct. 17, 2020
  • Vol. 40, Issue 21, 2111003 (2020)
Image-Domain Multimaterial Decomposition for Dual-Energy CT Based on Dictionary Learning and Relative Total Variation
Junru Jiang, Haijun Yu, Changcheng Gong, and Fenglin Liu
Dual-energy computed tomography (DECT) has been widely used to medical imaging, security inspection, nondestructive testing, materials science and so on, with its capability to decompose and identify materials and provide quantified results. DECT technique can accurately decompose two basis materials due to its perform
Acta Optica Sinica
  • Publication Date: Oct. 25, 2020
  • Vol. 40, Issue 21, 2111004 (2020)
Lasers and Laser Optics
Study on the Intensity Tuning Curve in a Laser Gyro Based on Lamb Theory
Jianning Liu, Yujie Liu, Mingxing Jiao, Junbiao Jiang, Jun Weng, and Lanpeng Guo
Acta Optica Sinica
  • Publication Date: Oct. 25, 2020
  • Vol. 40, Issue 21, 2114001 (2020)
Machine Vision
Depth Camera-Based Location and Restoration of Special Surface
Dian Fei, Jianlin Chen, Dongsheng Liu, and Zhijiang Zhang
Acta Optica Sinica
  • Publication Date: Oct. 25, 2020
  • Vol. 40, Issue 21, 2115002 (2020)
Optical Design and Fabrication
Carbon Fiber Truss Support Technology for JL-1 Light High Resolution Space Camera
Kexin Song, Lei Zhang, Xuezhi Jia, and Zhiqiang Su
Acta Optica Sinica
  • Publication Date: Nov. 02, 2020
  • Vol. 40, Issue 21, 2122002 (2020)
Optics at Surfaces
Raman Enhanced Properties of Silver/Graphene/Silver Composite Structure Prepared by One-Step Method
Haojian Xing, Yong Zhu, and Jie Zhang
Acta Optica Sinica
  • Publication Date: Oct. 25, 2020
  • Vol. 40, Issue 21, 2124001 (2020)
Ultra-Broadband Solar Absorber Based on Titanium Nitride and Titanium Dioxide
Chen Zhang, Wenrui Xue, Yuefei Chen, Jing Zhang, and Changyong Li
Acta Optica Sinica
  • Publication Date: Oct. 17, 2020
  • Vol. 40, Issue 21, 2124002 (2020)
Plasmonic Enhanced Near-Infrared Absorption of Metal-Silicon Composite Microstructure
Liu Yang, Shilei Jiang, Guobin Sun, Pengfei Yang, Xuesong Ji, and Jin Zhang
The optical surface of sub-wavelength grating structures has anti-reflection characteristics, which are of great significance for the application of photoelectric conversion efficiency. In order to improve the absorptivity of silicon-based grating structures in the near-infrared band (0.78-2.50 μm), we add Ag nanoparti
Acta Optica Sinica
  • Publication Date: Nov. 02, 2020
  • Vol. 40, Issue 21, 2124003 (2020)
Remote Sensing and Sensors
GF-6 WFV Data Cloud Detection Based on Improved LCCD Algorithm
Yongji Wang, Yanfang Ming, Tianchen Liang, Xueying Zhou, Chen Jia, and Quan Wang
GF-6 WFV is a high-spatial resolution multi-spectral sensor loaded on Chinese GF-6 satellite, which realizes the combination of high spatial resolution and wide coverage. Accurately identifying the cloud pixels of GF-6 WFV data is of great significance for supporting agricultural resources monitoring, forestry resource
Acta Optica Sinica
  • Publication Date: Oct. 26, 2020
  • Vol. 40, Issue 21, 2128001 (2020)
Multi-Objective Optimization of Hyperspectral Band Selection Based on Attention Mechanism
Shihao Guan, Guang Yang, Shan Lu, and Yanyu Fu
The attention mechanism of neural networks can extract key information from data, and the application of this feature in the selection of hyperspectral bands can help fully learn the interdependence and nonlinear relations between bands and extract more important bands. This paper presents a multi-objective optimizatio
Acta Optica Sinica
  • Publication Date: Oct. 26, 2020
  • Vol. 40, Issue 21, 2128002 (2020)
Scattering
Simulation Analysis of Infrared Radiation Suppression Effect of Solid Particles on Aircraft Exhaust Plume
Kun Yu, Mingyu Cong, and Wencong Dai
In this paper, the infrared radiation characteristics of the gas-solid two-phase exhaust plume containing solid particles are simulated and modeled. The ray tracing method is used to calculate the radiation intensity and radiation suppression rate of the exhaust plume. The simulation environment of the exhaust plume fl
Acta Optica Sinica
  • Publication Date: Nov. 02, 2020
  • Vol. 40, Issue 21, 2129001 (2020)
Measurement of Surface Scattering Characteristics of Black Materials in Thomson Scattering System
Peng Wang, Peng Yuan, Weiqiang Tan, and Jian Zheng
Acta Optica Sinica
  • Publication Date: Nov. 04, 2020
  • Vol. 40, Issue 21, 2129002 (2020)
Thin Films
Anti-Reflection Protective Film of Chalcogenide Glass Substrate and Its Environmental Adaptability
Xiuhua Fu, Hongyu Huang, Jing Zhang, Gong Zhang, Shiping Yin, and Kewu Liu
Acta Optica Sinica
  • Publication Date: Oct. 17, 2020
  • Vol. 40, Issue 21, 2131002 (2020)