Ground-to-ETS-VI narrow laser beam transmission

Masahiro Toyoda; Morio Toyoshima; Tetsuo Takahashi; Motokazu Shikatani; Yoshinori Arimoto; Kenichi Araki; Tadashi Aruga

doi:10.1117/12.238436

22 April 1996 Ground-to-ETS-VI narrow laser beam transmission

Masahiro Toyoda, Morio Toyoshima, Tetsuo Takahashi, Motokazu Shikatani, Yoshinori Arimoto, Kenichi Araki, Tadashi Aruga

Proceedings Volume 2699, Free-Space Laser Communication Technologies VIII; (1996) https://doi.org/10.1117/12.238436
Event: Photonics West '96, 1996, San Jose, CA, United States

Abstract

Experimental results of laser beam transmission from a ground station to the engineering test satellite VI (ETS-VI) are presented. The ETS-VI that was launched in August last year has onboard laser communication equipment (LCE). A very narrow laser beam with less than 60 (mu) rad divergence was continuously transmitted to the LCE from a ground station, using a highly accurate satellite optical tracking technique. The optical power fluctuation detected at the LCE was very large. Its log-amplitude variance was about 0.5 and the maximum duration for the LCE to be able to receive an optical power more than the LCE communication detector sensitivity was about 50 milli-seconds. Theoretical analysis of laser beam fluctuation at a satellite is described and compared with the experimental results.

Citation Download Citation

Masahiro Toyoda, Morio Toyoshima, Tetsuo Takahashi, Motokazu Shikatani, Yoshinori Arimoto, Kenichi Araki, and Tadashi Aruga "Ground-to-ETS-VI narrow laser beam transmission", Proc. SPIE 2699, Free-Space Laser Communication Technologies VIII, (22 April 1996); https://doi.org/10.1117/12.238436

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