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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 21 — Jul. 20, 1998
  • pp: 5031–5036

Use of satellite natural vibrations to improve performance of free-space satellite laser communication

Shlomi Arnon  »View Author Affiliations


Applied Optics, Vol. 37, Issue 21, pp. 5031-5036 (1998)
http://dx.doi.org/10.1364/AO.37.005031


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Abstract

In some of the future laser communication satellites, it is plausible to assume that tracking and communication receivers will use the same detector array. The reason for dual use of the detector is to design simpler and less expensive satellites. Satellites vibrate continually because of their subsystems and environmental sources. The vibrations cause nonuniform spreading of the received energy on the detector array. In view of this, the information from the tracking system is used to adapt individually the communication signal gain of each of the detectors in the array. This adaptation of the gains improves communication system performance. It is important to emphasize that the communication performance improvement is achieved only by gain adaptation. Any additional vibrations decrease the tracking and laser pointing system performances, which decrease the return communication performances (two-way communication). A comparison of practical communication systems is presented. The novelty of this research is the utilization of natural satellite vibrations to improve the communication system performance.

© 1998 Optical Society of America

OCIS Codes
(060.4510) Fiber optics and optical communications : Optical communications
(120.7280) Instrumentation, measurement, and metrology : Vibration analysis
(350.6090) Other areas of optics : Space optics

History
Original Manuscript: December 1, 1997
Revised Manuscript: March 24, 1998
Published: July 20, 1998

Citation
Shlomi Arnon, "Use of satellite natural vibrations to improve performance of free-space satellite laser communication," Appl. Opt. 37, 5031-5036 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-21-5031

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