Modeling of adaptive-optics-based free-space communications systems

Scott C. Wilks; James R. Morris; James M. Brase; Scot S. Olivier; John R. Henderson; Charles A. Thompson; Michael W. Kartz; A. J. Ruggerio

doi:10.1117/12.453528

9 December 2002 Modeling of adaptive optics-based free-space communications systems

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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Proceedings Volume 4821, Free-Space Laser Communication and Laser Imaging II; (2002) https://doi.org/10.1117/12.453528
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

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.

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Scott C. Wilks, James R. Morris, James M. Brase, Scot S. Olivier, John R. Henderson, Charles A. Thompson, Michael W. Kartz, and A. J. Ruggerio "Modeling of adaptive optics-based free-space communications systems", Proc. SPIE 4821, Free-Space Laser Communication and Laser Imaging II, (9 December 2002); https://doi.org/10.1117/12.453528

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