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Proceedings Paper

Closed-loop bandwidth optimization to maximize adaptive optics system performance
Author(s): Robert T. Brigantic; Michael C. Roggemann; Byron M. Welsh; Kenneth W. Bauer
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Paper Abstract

We present 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 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.

Paper Details

Date Published: 17 October 1997
PDF: 12 pages
Proc. SPIE 3126, Adaptive Optics and Applications, (17 October 1997); doi: 10.1117/12.279062
Show Author Affiliations
Robert T. Brigantic, Air Force Institute of Technology (United States)
Michael C. Roggemann, Air Force Institute of Technology (United States)
Byron M. Welsh, Air Force Institute of Technology (United States)
Kenneth W. Bauer, Air Force Institute of Technology (United States)

Published in SPIE Proceedings Vol. 3126:
Adaptive Optics and Applications
Robert K. Tyson; Robert Q. Fugate, Editor(s)

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