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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 20 — Jul. 10, 2008
  • pp: 3637–3645

Robust control of a bimorph mirror for adaptive optics systems

Lucie Baudouin, Christophe Prieur, Fabien Guignard, and Denis Arzelier  »View Author Affiliations


Applied Optics, Vol. 47, Issue 20, pp. 3637-3645 (2008)
http://dx.doi.org/10.1364/AO.47.003637


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Abstract

We apply robust control techniques to an adaptive optics system including a dynamic model of the deformable mirror. The dynamic model of the mirror is a modification of the usual plate equation. We propose also a state–space approach to model the turbulent phase. A continuous time control of our model is suggested, taking into account the frequential behavior of the turbulent phase. An H controller is designed in an infinite-dimensional setting. Because of the multivariable nature of the control problem involved in adaptive optics systems, a significant improvement is obtained with respect to traditional single input–single output methods.

© 2008 Optical Society of America

OCIS Codes
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence
(120.4640) Instrumentation, measurement, and metrology : Optical instruments

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: September 13, 2007
Revised Manuscript: March 10, 2008
Manuscript Accepted: March 11, 2008
Published: July 9, 2008

Citation
Lucie Baudouin, Christophe Prieur, Fabien Guignard, and Denis Arzelier, "Robust control of a bimorph mirror for adaptive optics systems," Appl. Opt. 47, 3637-3645 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-20-3637


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