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Proceedings Paper

Application of moving gratings in BSO to optical pattern recognition
Author(s): Guoguang Mu; Zhaoqi Wang
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Paper Abstract

Moving grating technique is applied to dynamic holographic recording to overcome the difficulties of the fluctuation of the diffraction efficiency and the funning effect in photorefractive crystal BSO. Various nonlinear effects caused by moving gratings at large fringe modulations are experimentally investigated. It is shown in the application of optical pattern recognition that the probability of an error detection is reduced and the signal-to-noise ratio is considerably enhanced. Experimental results are presented.

Paper Details

Date Published: 25 October 1996
PDF: 4 pages
Proc. SPIE 2849, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications II, (25 October 1996); doi: 10.1117/12.255481
Show Author Affiliations
Guoguang Mu, Nankai Univ. (China)
Zhaoqi Wang, Nankai Univ. (China)


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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