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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 17, Iss. 7 — Jul. 1, 2000
  • pp: 1312–1318

Residual phase variance in partial correction: application to the estimate of the light intensity statistics

Manuel P. Cagigal and Vidal F. Canales  »View Author Affiliations


JOSA A, Vol. 17, Issue 7, pp. 1312-1318 (2000)
http://dx.doi.org/10.1364/JOSAA.17.001312


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Abstract

Although the wave-front correction provided by an adaptive optics system should be as complete as possible, only a partial compensation is attainable in the visible. An estimate of the residual phase variance in the compensated wave front can be used to calibrate system performance, but it is not a simple task when errors affect the compensation process. We propose a simple method for estimation of the residual phase variance that requires only the measurement of the Strehl ratio value. It provides good results over the whole range of compensation degrees. The estimate of the effective residual phase variance is useful not only for system calibration but also for determining the light intensity statistics to be expected in the image as a function of the degree of compensation introduced.

© 2000 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(110.6770) Imaging systems : Telescopes

Citation
Manuel P. Cagigal and Vidal F. Canales, "Residual phase variance in partial correction: application to the estimate of the light intensity statistics," J. Opt. Soc. Am. A 17, 1312-1318 (2000)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-17-7-1312

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