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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

  • Vol. 21, Iss. 6 — Jun. 1, 2004
  • pp: 1004–1008

Fast calibration of high-order adaptive optics systems

Markus Kasper, Enrico Fedrigo, Douglas P. Looze, Henri Bonnet, Liviu Ivanescu, and Sylvain Oberti  »View Author Affiliations


JOSA A, Vol. 21, Issue 6, pp. 1004-1008 (2004)
http://dx.doi.org/10.1364/JOSAA.21.001004


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Abstract

We present a new method of calibrating adaptive optics systems that greatly reduces the required calibration time or, equivalently, improves the signal-to-noise ratio. The method uses an optimized actuation scheme with Hadamard patterns and does not scale with the number of actuators for a given noise level in the wave-front sensor channels. It is therefore highly desirable for high-order systems and/or adaptive secondary systems on a telescope without a Gregorian focal plane. In the latter case, the measurement noise is increased by the effects of the turbulent atmosphere when one is calibrating on a natural guide star.

© 2004 Optical Society of America

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

History
Original Manuscript: July 14, 2003
Revised Manuscript: November 25, 2003
Manuscript Accepted: November 25, 2003
Published: June 1, 2004

Citation
Markus Kasper, Enrico Fedrigo, Douglas P. Looze, Henri Bonnet, Liviu Ivanescu, and Sylvain Oberti, "Fast calibration of high-order adaptive optics systems," J. Opt. Soc. Am. A 21, 1004-1008 (2004)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-21-6-1004

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