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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 1 — Jan. 7, 2008
  • pp: 87–97

First laboratory validation of vibration filtering with LQG control law for Adaptive Optics

Cyril Petit, Jean-Marc Conan, Caroline Kulcsár, Henri-Francois Raynaud, and Thierry Fusco  »View Author Affiliations


Optics Express, Vol. 16, Issue 1, pp. 87-97 (2008)
http://dx.doi.org/10.1364/OE.16.000087


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Abstract

We present a first experimental validation of vibration filtering with a Linear Quadratic Gaussian (LQG) control law in Adaptive Optics (AO). A quasi-pure mechanical vibration is generated on a classic AO bench and filtered by the control law, leading to an improvement of the Strehl Ratio and image stability. Vibration filtering may be applied to any AO system, but these results are of particular interest for eXtrem AO, and for instance for the SPHERE AO design, where high performance is required.

© 2008 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(100.3190) Image processing : Inverse problems

ToC Category:
Adaptive Optics

History
Original Manuscript: August 1, 2007
Revised Manuscript: October 19, 2007
Manuscript Accepted: October 29, 2007
Published: January 2, 2008

Citation
Cyril Petit, Jean-Marc Conan, Caroline Kulcsár, Henri-Francois Raynaud, and Thierry Fusco, "First laboratory validation of vibration filtering with LQG control law for Adaptive Optics," Opt. Express 16, 87-97 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-1-87


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