Development of laser beam transmission strategies for future ground-to-space optical communications

Details Development of laser beam transmission strategies for future ground-to-space optical communications Development of laser beam transmission strategies for future ground-to-space optical communications

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007spie.6551e..10w&link_type=abstract

Atmospheric Propagation IV. Edited by Young, Cynthia Y.; Gilbreath, G. Charmaine. Proceedings of the SPIE, Volume 6551, pp. 65

Physics

Optics

1

Scientific paper

Optical communications is a key technology to meet the bandwidth expansion required in the global information grid. High bandwidth bi-directional links between sub-orbital platforms and ground and space terminals can provide a seamless interconnectivity for rapid return of critical data to analysts. The JPL Optical Communications Telescope Laboratory (OCTL) is located in Wrightwood California at an altitude of 2.2.km. This 200 sq-m facility houses a state-of- the-art 1-m telescope and is used to develop operational strategies for ground-to-space laser beam propagation that include safe beam transmission through navigable air space, adaptive optics correction and multi-beam scintillation mitigation, and line of sight optical attenuation monitoring. JPL has received authorization from international satellite owners to transmit laser beams to more than twenty retro-reflecting satellites. This paper presents recent progress in the development of these operational strategies tested by narrow laser beam transmissions from the OCTL to retro-reflecting satellites. We present experimental results and compare our measurements with predicted performance for a variety of atmospheric conditions.

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