Protorefractive shearing interferometer

被引：0
|
作者：
Cai, LZ [1 ]
Liu, Q [1 ]
Wang, YR [1 ]
Yang, XL [1 ]
机构：
[1] Shandong Univ, Dept Opt, Jinan 250100, Peoples R China
来源：
OPTICS AND LASERS IN ENGINEERING | 2004年 / 41卷 / 03期
基金：
中国国家自然科学基金;
关键词：
shearing interferometer; photorefractive crystals; optical testing; aberrations;
D O I：
10.1016/S0143-8166(02)00215-4
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A novel method of obtaining shearing interferogram by slightly moving the crystal in a photorefractive interferometer is proposed. This method can measure the phase of an object itself instead of its diffraction field, and it is easy to realize continuously changeable shearing distance in any lateral direction and introduce carrier fringes at the same time. Both the theoretical analysis and experimental verification are given. (C) 2003 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：529 / 535
页数：7
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