Adaptive control in an adaptive optics experiment
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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