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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Glenn D. Boreman
  • Vol. 44, Iss. 30 — Oct. 20, 2005
  • pp: 6388–6401

Atmospheric compensation with a speckle beacon in strong scintillation conditions: directed energy and laser communication applications

Thomas Weyrauch and Mikhail A. Vorontsov  »View Author Affiliations


Applied Optics, Vol. 44, Issue 30, pp. 6388-6401 (2005)
http://dx.doi.org/10.1364/AO.44.006388


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Abstract

Wavefront control experiments in strong scintillation conditions (scintillation index, ≃1) over a 2.33 km, near-horizontal, atmospheric propagation path are presented. The adaptive-optics system used comprises a tracking and a fast-beam-steering mirror as well as a 132-actuator, microelectromechanical-system, piston-type deformable mirror with a VLSI controller that implements stochastic parallel gradient descent control optimization of a system performance metric. The experiments demonstrate mitigation of atmospheric distortions with a speckle beacon typical for directed energy and free-space laser communication applications.

© 2005 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(010.1300) Atmospheric and oceanic optics : Atmospheric propagation
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence
(010.3310) Atmospheric and oceanic optics : Laser beam transmission
(060.4510) Fiber optics and optical communications : Optical communications

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: February 14, 2005
Manuscript Accepted: April 25, 2005
Published: October 20, 2005

Citation
Thomas Weyrauch and Mikhail A. Vorontsov, "Atmospheric compensation with a speckle beacon in strong scintillation conditions: directed energy and laser communication applications," Appl. Opt. 44, 6388-6401 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-30-6388

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