Simple image subtraction using phase shift property of photorefractive two-wave mixing

被引：0
|
作者：
Cai, LZ [1 ]
Wang, YR [1 ]
机构：
[1] Shandong Univ, Jinan 250100, Peoples R China
来源：
PROCESS CONTROL AND INSPECTION FOR INDUSTRY | 2000年 / 4222卷
关键词：
image subtraction; real-time interferometry; holography; photorefraction;
D O I：
10.1117/12.403896
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A simple image subtraction technique with photorefractive real-time holographic interferometry is analyzed and experimentally demonstrated, where the pi phase difference between the two images to be subtracted is automatically introduced by the phase shift of reconstructed wave from the incident wave in two wave coupling process. Its performance and requirements for a good result are discussed.
引用
收藏
页码：299 / 303
页数：5
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