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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: Stephen A. Burns
  • Vol. 25, Iss. 9 — Sep. 1, 2008
  • pp: 2271–2279

Woofer–tweeter control in an adaptive optics system using a Fourier reconstructor

Jean-François Lavigne and Jean-Pierre Véran  »View Author Affiliations


JOSA A, Vol. 25, Issue 9, pp. 2271-2279 (2008)
http://dx.doi.org/10.1364/JOSAA.25.002271


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Abstract

Future adaptive optics systems seeking a higher degree of correction may need to split the command between two deformable mirrors (DMs), the woofer and the tweeter. We first present a method to specify the order of correction of the woofer DM for a given tweeter stroke requirement using an analytical and Monte Carlo approach. We then develop a computationally efficient algorithm to split the command between the two DMs in the case where a Fourier reconstructor is used. We find that the computational efficiency can be dramatically improved by splitting the command in Fourier space and by sending to the woofer only the modes it can reproduce accurately.

© 2008 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: February 20, 2008
Revised Manuscript: June 6, 2008
Manuscript Accepted: June 25, 2008
Published: August 18, 2008

Citation
Jean-François Lavigne and Jean-Pierre Véran, "Woofer-tweeter control in an adaptive optics system using a Fourier reconstructor," J. Opt. Soc. Am. A 25, 2271-2279 (2008)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-25-9-2271

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