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Estimating the effects of structural vibration on adaptive optics system performance |
Applied Optics, Vol. 50, Issue 15, pp. 2185-2191 (2011)
http://dx.doi.org/10.1364/AO.50.002185
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Abstract
This paper presents analytical tools developed for estimating the effects of structural vibration on closed-loop adaptive optics system image quality. The general equation for the normalized intensity distribution of an image subject to structural vibration is derived. The resulting two-dimensional theoretical point spread function is computed numerically and compared with empirical data obtained on sky at the Multiple Mirror Telescope Observatory. A simplified analytical expression for the normalized intensity distribution is derived for long exposures and used to quantify the effects on Strehl and spot full width at half-maximum as a function of vibration amplitude, telescope diameter, and observation wavelength.
© 2011 Optical Society of America
OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(110.3000) Imaging systems : Image quality assessment
(120.7280) Instrumentation, measurement, and metrology : Vibration analysis
(220.1140) Optical design and fabrication : Alignment
(110.0115) Imaging systems : Imaging through turbulent media
(060.2605) Fiber optics and optical communications : Free-space optical communication
ToC Category:
Atmospheric and Oceanic Optics
History
Original Manuscript: December 6, 2010
Revised Manuscript: February 20, 2011
Manuscript Accepted: February 21, 2011
Published: May 13, 2011
Citation
Keith Powell, "Estimating the effects of structural vibration on adaptive optics system performance," Appl. Opt. 50, 2185-2191 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-15-2185
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