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A method for optimizing and designing high isolation level Cassegrainian optical antenna
Zhou, Shao-Pan1,2; Xue, Bin1; Yang, Jian-Feng1; Liu, Sheng-Run1,2; Chen, Guo-Qing1,2
2019
Conference Name9th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, AOMATT 2018
Source Publication9th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies
Volume10838
Conference Date2018-06-26
Conference PlaceChengdu, China
PublisherSPIE
Contribution Rank1
AbstractIn order to reduce the optical intensity of backscattering lights of the Cassegrainian optical antenna in the optical system of the laser communication terminal and improve the optical isolation of laser communication system, this paper proposes a method for designing high isolation level Cassegrainian optical antenna by increasing the characteristic value of the optical intensity of backscattering lights E/N. The method aims to improve the optical antenna isolation through reducing the optical intensity of backscattering lights along the incident optical path based on analyzing the theoretical model of the optical intensity of backscattering lights BRDF. A Cassegrainian optical antenna for laser communication is designed in this paper, and the method is used to optimize the isolation of this optical antenna by custom operands in ZEMAX. Then using TracePro software builds the optical structure model of this optical antenna before and after optimization, simulate the optical intensity of backscattering lights of each model, calculate and analyze the isolation of each model by using simulation data respectively. It is show that the backscattering rate of the system decreases from 0.0011956 to 0.00007515, and the isolation decreases from-29.224dB to-41.24dB. Optimization has improved the isolation 12.017dB of the optical system through use the method. © 2019 COPYRIGHT SPIE. Downloading of the abstract is permitted for personal use only.
Department月球与深空探测技术研究室
DOI10.1117/12.2505379
Indexed ByEI
ISBN9781510623187
Language英语
ISSN0277786X;1996756X
EI Accession Number20190506430103
Citation statistics
Document Type会议论文
Identifierhttp://ir.opt.ac.cn/handle/181661/31229
Collection月球与深空探测技术研究室
Affiliation1.Xi'an Institute of Optics and Precision Mechanics of CAS, Xi'an; 710119, China;
2.University of Chinese Academy of Sciences, Beijing; 100049, China
Recommended Citation
GB/T 7714
Zhou, Shao-Pan,Xue, Bin,Yang, Jian-Feng,et al. A method for optimizing and designing high isolation level Cassegrainian optical antenna[C]:SPIE,2019.
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