A DIGITAL SPECKLE CORRELATION INTERFEROMETER USING AN IMAGE FIBER

被引：7
|
作者：
HOLDER, L
OKAMOTO, T
ASAKURA, T
机构：
[1] Research Institute for Electronic Science, Hokkaido University, Sapporo
来源：
MEASUREMENT SCIENCE AND TECHNOLOGY | 1993年 / 4卷 / 07期
关键词：
D O I：
10.1088/0957-0233/4/7/006
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The performance of a digital speckle correlation interferometer using an image fibre is investigated theoretically and experimentally. An expression is derived for the visibility of correlation fringes in terms of spatial filtering properties of the image fibre. The visibility of fringes depends mainly on the resolution of the image fibre as well as the in-plane displacement of diffuse objects. The results show that a computerized video system combined with the image fibre is suitable for laser speckle interferometry.
引用
收藏
页码：746 / 753
页数：8
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