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Cumulative Reconstructor: fast wavefront reconstruction algorithm for Extremely Large Telescopes |
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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