Study on the fiber coupling efficiency for ground-to-satellite laser communication links

Hideki Takenaka; Morio Toyoshima

doi:10.1117/12.845775

26 February 2010 Study on the fiber coupling efficiency for ground-to-satellite laser communication links

Hideki Takenaka, Morio Toyoshima

Proceedings Volume 7587, Free-Space Laser Communication Technologies XXII; 75870U (2010) https://doi.org/10.1117/12.845775
Event: SPIE LASE, 2010, San Francisco, California, United States

Abstract

Recently, the amount of the data measured by the satellites becomes increase because the recent satellites have been higher performances. Therefore, the faster communication method is demanded. One of the solutions is to use optical communication systems. When widely available fiber optical devices are used in free-space laser communication systems, it is required to couple the laser beam into a single mode fiber. Free-space laser communications systems require the precise tracking control because of very narrow laser beams. It is rather difficult to couple the laser beam into the optical fiber owing to atmospheric turbulence in ground-to-satellite laser propagation paths. We developed a simulation model of the fiber coupling efficiency for ground-to-satellite laser communication links under atmospheric turbulence. And we developed a prototype of the fast steering mirror (FSM) which can operate at high frequencies under the atmospheric turbulence. We experimentally verify the tracking performance of FSM by using ground-to-satellite laser communication links.

Citation Download Citation

Hideki Takenaka and Morio Toyoshima "Study on the fiber coupling efficiency for ground-to-satellite laser communication links", Proc. SPIE 7587, Free-Space Laser Communication Technologies XXII, 75870U (26 February 2010); https://doi.org/10.1117/12.845775

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