Optical Adaptive Filter; Experimental Results

W. R. Beaudet; A. M. Bardos; A. VanderLugt

doi:10.1117/12.964340

24 September 1986 Optical Adaptive Filter; Experimental Results

W. R. Beaudet, A. M. Bardos, A. VanderLugt

Proceedings Volume 0639, Optical Information Processing II; (1986) https://doi.org/10.1117/12.964340
Event: 1986 Technical Symposium Southeast, 1986, Orlando, United States

Abstract

An interferometric optical system is configured with an active feedback loop as an optical adaptive filter. The closed loop characteristics of the system are found to be sensitive to alignment and aberrations. An open loop diagnostic procedure is applied to the system to develop stability to a level supporting 30 db adaptively formed frequency rejection notches. The time delay in the closed loop signal path is found to be the limiting factor in system performance.

Citation Download Citation

W. R. Beaudet, A. M. Bardos, and A. VanderLugt "Optical Adaptive Filter; Experimental Results", Proc. SPIE 0639, Optical Information Processing II, (24 September 1986); https://doi.org/10.1117/12.964340

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