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Proceedings Paper

Photorefractive incoherent-erasure joint transform correlator
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Paper Abstract

A photorefractive nonlinear incoherent-erasure joint- transform correlator is presented and analyzed. The nonlinearity of this correlator can be tuned from the classical-matched filter to the phase-extraction limit by increasing the erasure beam intensity. Experimental results in Bi12GeO20 show a transition from matched-filter correlation to phase-extraction correlation by increasing the erasure beam intensity, in agreement with our theoretical results.

Paper Details

Date Published: 25 October 1996
PDF: 7 pages
Proc. SPIE 2849, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications II, (25 October 1996);
Show Author Affiliations
George Asimellis, Tufts Univ. (United States)
Jehad Khoury, Rome Lab. (United States)
Charles L. Woods, Rome Lab. (United States)


Published in SPIE Proceedings Vol. 2849:
Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications II
Francis T. S. Yu; Shizhuo Yin, Editor(s)

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