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Proceedings Paper

Modeling of adaptive-optics-based free-space communications systems
Author(s): Scott C. Wilks; James R. Morris; James M. Brase; Scot S. Olivier; John R. Henderson; Charles A. Thompson; Michael W. Kartz; A. J. Ruggerio
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Paper Abstract

We introduce a wave-optics based simulation code written to model a complete free space laser communications link, including a detailed model of an adaptive optics compensation system. We present the results obtained by this model, where the phase of a communications laser beam is corrected, after it propagates through a turbulent atmosphere. The phase of the received laser beam is measured using a Shack-Hartmann wavefront sensor, and the correction method utilizes a MEMS mirror. Strehl improvement and amount of power coupled to the receiving fiber results for both 1 km horizontal and 28 km slant paths will be presented.

Paper Details

Date Published: 9 December 2002
PDF: 8 pages
Proc. SPIE 4821, Free-Space Laser Communication and Laser Imaging II, (9 December 2002); doi: 10.1117/12.453528
Show Author Affiliations
Scott C. Wilks, Lawrence Livermore National Lab. (United States)
James R. Morris, Lawrence Livermore National Lab. (United States)
James M. Brase, Lawrence Livermore National Lab. (United States)
Scot S. Olivier, Lawrence Livermore National Lab. (United States)
John R. Henderson, Lawrence Livermore National Lab. (United States)
Charles A. Thompson, Lawrence Livermore National Lab. (United States)
Michael W. Kartz, Lawrence Livermore National Lab. (United States)
A. J. Ruggerio, Lawrence Livermore National Lab. (United States)


Published in SPIE Proceedings Vol. 4821:
Free-Space Laser Communication and Laser Imaging II
Jennifer C. Ricklin; David G. Voelz, Editor(s)

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