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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 5 — Feb. 10, 1998
  • pp: 848–855

Optimization of Adaptive-Optics Systems Closed-Loop Bandwidth Settings to Maximize Imaging-System Performance

Robert T. Brigantic, Michael C. Roggemann, Byron M. Welsh, and Kenneth W. Bauer  »View Author Affiliations


Applied Optics, Vol. 37, Issue 5, pp. 848-855 (1998)
http://dx.doi.org/10.1364/AO.37.000848


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Abstract

We present the results of research aimed at optimizing adaptive-optics closed-loop bandwidth settings to maximize imaging-system performance. The optimum closed-loop bandwidth settings are determined as a function of target-object light levels and atmospheric seeing conditions. Our work shows that, for bright objects, the optimum closed-loop bandwidth is near the Greenwood frequency. However, for dim objects without the use of a laser beacon the preferred closed-loop bandwidth settings are a small fraction of the Greenwood frequency. In addition, under low light levels selection of the proper closed-loop bandwidth is more critical for achieving maximum performance than it is under high light levels. We also present a strategy for selecting the closed-loop bandwidth to provide robust system performance for different target-object light levels.

© 1998 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(110.0110) Imaging systems : Imaging systems

Citation
Robert T. Brigantic, Michael C. Roggemann, Byron M. Welsh, and Kenneth W. Bauer, "Optimization of Adaptive-Optics Systems Closed-Loop Bandwidth Settings to Maximize Imaging-System Performance," Appl. Opt. 37, 848-855 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-5-848

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