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