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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Franco Gori
  • Vol. 27, Iss. 11 — Nov. 1, 2010
  • pp: A84–A96

Adaptive control in an adaptive optics experiment

Salman Monirabbasi and Steve Gibson  »View Author Affiliations


JOSA A, Vol. 27, Issue 11, pp. A84-A96 (2010)
http://dx.doi.org/10.1364/JOSAA.27.000A84


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Abstract

This paper presents results from an adaptive optics experiment in which an adaptive control loop augments a classical adaptive optics feedback loop. Closed-loop wavefront errors measured by a self-referencing interferometer are fed back to the control loops, which drive a membrane deformable mirror to correct the wavefront. The paper introduces new frequency-weighted deformable mirror modes used as the control channels and new wavefront sensor modes for analyzing the performance of the control loops. The corrected laser beam also is imaged by a diagnostic target camera. The experimental results show reduced closed-loop wavefront errors and correspondingly sharper diagnostic target images produced by the adaptive control loop as compared with the classical AO loop.

© 2010 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(010.1300) Atmospheric and oceanic optics : Atmospheric propagation
(010.7350) Atmospheric and oceanic optics : Wave-front sensing

History
Original Manuscript: January 7, 2010
Revised Manuscript: April 24, 2010
Manuscript Accepted: June 18, 2010
Published: September 9, 2010

Citation
Salman Monirabbasi and Steve Gibson, "Adaptive control in an adaptive optics experiment," J. Opt. Soc. Am. A 27, A84-A96 (2010)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-27-11-A84


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