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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 33, Iss. 18 — Sep. 15, 2008
  • pp: 2047–2049

Experimental validation of single-iteration multigrid wavefront reconstruction at the Palomar Observatory

Laurent Lessard, Douglas MacMynowski, Matthew West, Antonin Bouchez, and Sanjay Lall  »View Author Affiliations


Optics Letters, Vol. 33, Issue 18, pp. 2047-2049 (2008)
http://dx.doi.org/10.1364/OL.33.002047


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Abstract

Single-iteration multigrid (SIMG) wavefront reconstruction schemes were implemented and validated on the adaptive optics system at the Hale 5.1 m telescope at the Palomar Observatory. Results indicate that even the simplest such method produces a performance indistinguishable from that of the standard least-squares reconstructor for both bright and dim guide stars. SIMG provides a dramatic reduction in computational cost when compared to vector–matrix multiplication and can be implemented in parallel, making it the obvious choice for reconstruction in future large-scale adaptive optics systems.

© 2008 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
(350.1260) Other areas of optics : Astronomical optics

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: June 10, 2008
Revised Manuscript: July 30, 2008
Manuscript Accepted: August 1, 2008
Published: September 8, 2008

Citation
Laurent Lessard, Douglas MacMynowski, Matthew West, Antonin Bouchez, and Sanjay Lall, "Experimental validation of single-iteration multigrid wavefront reconstruction at the Palomar Observatory," Opt. Lett. 33, 2047-2049 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-18-2047


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