The design of space optical communications terminal with high efficient

Xiaoguo Deng; Gang Li; Bo Jiang; Xiaoxu Yang; Peipei Yan

doi:10.1117/12.2083003

19 February 2015 The design of space optical communications terminal with high efficient

Xiaoguo Deng, Gang Li, Bo Jiang, Xiaoxu Yang, Peipei Yan

Proceedings Volume 9449, The International Conference on Photonics and Optical Engineering (icPOE 2014); 94490J (2015) https://doi.org/10.1117/12.2083003
Event: The International Conference on Photonics and Optical Engineering and the Annual West China Photonics Conference (icPOE 2014), 2014, Xi'an, China

Abstract

In order to improve high-speed laser space optical communications terminal receive energy and emission energy, meet the demand of mini-type and light-type for space-based bear platform, based on multiple-reflect coaxial optical receiving antenna structure, while considering the installation difficulty, a high-efficient optical system had been designed, which aperture is off-axial, both signal-receiving sub-optical system and emission sub-optical system share a same primary optical path. By the separating light lens behind the primary optical path, the received light with little energy will be filtered and shaped and then transmitted to each detector, at the same time, by the coupling element, the high-power laser will be coupling into optical antenna, and then emitted to outside. Applied the power-detected optical system evaluate principle, the optimized off-axial optical system's efficiency had been compared with the coaxial optical system. While, analyzed the Gauss beam energy distribution by numerical theory, discussed that whether off-axis optical system can be an emission terminal, verify the feasibility of the theory of the design of the system.

Citation Download Citation

Xiaoguo Deng, Gang Li, Bo Jiang, Xiaoxu Yang, and Peipei Yan "The design of space optical communications terminal with high efficient", Proc. SPIE 9449, The International Conference on Photonics and Optical Engineering (icPOE 2014), 94490J (19 February 2015); https://doi.org/10.1117/12.2083003

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KEYWORDS

Optical communications

Astronomical imaging

Optical tracking

Telecommunications

Mirrors

Laser communications

Optical design

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