Research on Near Space Optical Communication Transmitting and Receiving Technology

Wei Da Zhan; Dong Ya Xiao; Zi Qiang Hao; Hong Zuo Li

doi:10.4028/www.scientific.net/AMM.721.678

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 721Research on Near Space Optical Communication...

Research on Near Space Optical Communication Transmitting and Receiving Technology

Abstract:

In near space optical communication, the laser beam energy affects communication link distance directly, also laser beam quality affects the laser energy density, modulation efficiency, bit error rate (BER) of communication and other parameters. In this paper we have presented an experiment system of space optical communication, of which the transmitting power is 1w, modulation rate is 500 Mbps and link distance is 8 to 10 kilometers. Then the effects of optical fiber collimator, electro-optic modulator, optical antenna and other units on beam power loss, beam diameter, divergence angle and other parameters are analyzed. Last we put forward the way of increasing the laser transmitting distance and the optimization measure of system key unit.

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Periodical:

Applied Mechanics and Materials (Volume 721)

Pages:

678-681

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.721.678

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Online since:

December 2014

Authors:

Wei Da Zhan*, Dong Ya Xiao, Zi Qiang Hao, Hong Zuo Li

Keywords:

Beam Energy, Beam Quality, Space Optical Communication

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* - Corresponding Author

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