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Proceedings Paper

Optimum beam setting for near-field free-space optical communication system with bidirectional beacon tracking
Author(s): Yoshinori Arimoto
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Paper 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.

Paper Details

Date Published: 23 February 2012
PDF: 6 pages
Proc. SPIE 8246, Free-Space Laser Communication Technologies XXIV, 82460S (23 February 2012); doi: 10.1117/12.906560
Show Author Affiliations
Yoshinori Arimoto, National Institute of Information and Communications Technology (Japan)

Published in SPIE Proceedings Vol. 8246:
Free-Space Laser Communication Technologies XXIV
Hamid Hemmati; Don M. Boroson, Editor(s)

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