Optimum beam setting for near-field free-space optical communication system with bidirectional beacon tracking

Yoshinori Arimoto

doi:10.1117/12.906560

22 February 2012 Optimum beam setting for near-field free-space optical communication system with bidirectional beacon tracking

Yoshinori Arimoto

Author Affiliations +

Proceedings Volume 8246, Free-Space Laser Communication Technologies XXIV; 82460S (2012) https://doi.org/10.1117/12.906560
Event: SPIE LASE, 2012, San Francisco, California, United States

Abstract

This paper reports a new beam setting for single-mode-fiber coupled free-space laser communication terminals with bidirectional beacon tracking. To maintain stable and robust laser beam transmission over 0.2-2km terrestrial horizontal link, optimum beam setting is found to be not a collimated beam but a symmetric confocal beam between the two terminals. The paper also describes the detail of optics, such as optical antenna and fiber coupling lens used in the compact free-space optical terminals.

Citation Download Citation

Yoshinori Arimoto "Optimum beam setting for near-field free-space optical communication system with bidirectional beacon tracking", Proc. SPIE 8246, Free-Space Laser Communication Technologies XXIV, 82460S (22 February 2012); https://doi.org/10.1117/12.906560

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