EDGE ENHANCEMENT IN PHOTOREFRACTIVE JOINT TRANSFORM CORRELATORS

被引:0
|
作者
DANIEL, O
CJONATHAN, JM
ROOSEN, G
机构
来源
OPTICAL COMPUTING | 1995年 / 139卷
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中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
We give an analytical expression for the space charge field induced at steady state when a photorefractive crystal, used in the diffusion regime, is illuminated by a non uniform interference pattern. Its consequences on the response of a photorefractive Joint Transform Correlator, including the effect of the reading beam are predicted and experimentally observed. The observed edge enhancement is explained.
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页码:329 / 332
页数:4
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