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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: Franco Gori
  • Vol. 28, Iss. 10 — Oct. 1, 2011
  • pp: 2132–2138

Cumulative Reconstructor: fast wavefront reconstruction algorithm for Extremely Large Telescopes

Matthias Rosensteiner  »View Author Affiliations


JOSA A, Vol. 28, Issue 10, pp. 2132-2138 (2011)
http://dx.doi.org/10.1364/JOSAA.28.002132


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Abstract

The Cumulative Reconstructor (CuRe) is a new direct reconstructor for an optical wavefront from Shack–Hartmann wavefront sensor measurements. In this paper, the algorithm is adapted to realistic telescope geometries and the transition from modified Hudgin to Fried geometry is discussed. After a discussion of the noise propagation, we analyze the complexity of the algorithm. Our numerical tests confirm that the algorithm is very fast and accurate and can therefore be used for adaptive optics systems of Extremely Large Telescopes.

© 2011 Optical Society of America

OCIS Codes
(000.3860) General : Mathematical methods in physics
(010.7350) Atmospheric and oceanic optics : Wave-front sensing
(350.1260) Other areas of optics : Astronomical optics
(110.1080) Imaging systems : Active or adaptive optics

ToC Category:
Imaging Systems

History
Original Manuscript: July 25, 2011
Manuscript Accepted: August 11, 2011
Published: September 22, 2011

Citation
Matthias Rosensteiner, "Cumulative Reconstructor: fast wavefront reconstruction algorithm for Extremely Large Telescopes," J. Opt. Soc. Am. A 28, 2132-2138 (2011)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-28-10-2132

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