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Simulation model based approach for long exposure atmospheric point spread function reconstruction for laser guide star multiconjugate adaptive optics |
Applied Optics, Vol. 51, Issue 31, pp. 7443-7458 (2012)
http://dx.doi.org/10.1364/AO.51.007443
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Abstract
This paper discusses an innovative simulation model based approach for long exposure atmospheric point spread function (PSF) reconstruction in the context of laser guide star (LGS) multiconjugate adaptive optics (MCAO). The approach is inspired from the classical scheme developed by Véran et al. [J. Opt. Soc. Am. A 14, 3057 (1997)] and Flicker et al. [Astron. Astrophys. 400, 1199 (2003)] and reconstructs the long exposure optical transfer function (OTF), i.e., the Fourier transformed PSF, as a product of separate long-exposure tip/tilt removed and tip/tilt OTFs, each estimated by postprocessing system and simulation telemetry data. Sample enclosed energy results assessing reconstruction accuracy are presented for the Thirty Meter Telescope LGS MCAO system currently under design and show that percent level absolute and differential photometry over a 30 arcsec diameter field of view are achievable provided the simulation model faithfully represents the real system.
© 2012 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: July 6, 2012
Revised Manuscript: September 21, 2012
Manuscript Accepted: September 24, 2012
Published: October 22, 2012
Citation
Luc Gilles, Carlos Correia, Jean-Pierre Véran, Lianqi Wang, and Brent Ellerbroek, "Simulation model based approach for long exposure atmospheric point spread function reconstruction for laser guide star multiconjugate adaptive optics," Appl. Opt. 51, 7443-7458 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-31-7443
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