Optimal design of a new type space laser communication optical system

Pei-pei Yan; Xiao-guo Deng; Gang Li; Kai Liu; Jing Duan; Qiu-sha Shan; Kai Jiang; Yu Zhang

doi:10.1117/12.2185077

4 March 2015 Optimal design of a new type space laser communication optical system

Pei-pei Yan, Xiao-guo Deng, Gang Li, Kai Liu, Jing Duan, Qiu-sha Shan, Kai Jiang, Yu Zhang

Proceedings Volume 9521, Selected Papers from Conferences of the Photoelectronic Technology Committee of the Chinese Society of Astronautics 2014, Part I; 95211V (2015) https://doi.org/10.1117/12.2185077
Event: Selected Proceedings of the Photoelectronic Technology Committee Conferences held August-October 2014, 2014, China, China

Abstract

A design of a laser communications optical system with high transmitting and receiving performance is given. The traditional on-axis Cassegrain optical antenna has the default that the transmitting and receiving power decreased greatly because of the obscuration of the secondary mirror. Considering that the eccentric-pupil Cassegrain optical antenna is designed. The optical antenna system in transceiver has been designed by means of CODEV software. It improves the efficiency of transmitting and receiving power effectively. Its properties have been analyzed, such as gain, image quality, and transmission efficiency. Meanwhile, the materials of optical elements have been analyzed. The power decline curve has been obtained by means of the detailed analysis of antenna system in partial axis situation. The system includes transmitter channel, receiving channel and experiment channel. It can realize the functions of transmitter-receiver isolation and multi-light ways using dichroic mirrors and beam splitting prisms. The system volume and weight are reduced greatly. The complexity of conventional laser communication system is reduced enormously at the same time. It has important reference significance and application value.

Citation Download Citation

Pei-pei Yan, Xiao-guo Deng, Gang Li, Kai Liu, Jing Duan, Qiu-sha Shan, Kai Jiang, and Yu Zhang "Optimal design of a new type space laser communication optical system", Proc. SPIE 9521, Selected Papers from Conferences of the Photoelectronic Technology Committee of the Chinese Society of Astronautics 2014, Part I, 95211V (4 March 2015); https://doi.org/10.1117/12.2185077

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KEYWORDS

Optical antennas

Antennas

Laser communications

Mirrors

Beam splitters

Optical design

Sensors

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