Measurement of rotation and distortion of opaque surfaces by laser light scattering

被引：1
|
作者：
Bosse, S [1 ]
Staude, W [1 ]
机构：
[1] Univ Bremen, Inst Expt Phys, FB 1, D-28334 Bremen, Germany
来源：
MEASUREMENT SCIENCE AND TECHNOLOGY | 2000年 / 11卷 / 11期
关键词：
surface rotation; surface deformation; laser light scattering; surface monitoring;
D O I：
10.1088/0957-0233/11/11/303
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We present an experimental method for measuring velocity gradients caused by distortions and rotations of arbitrary light scattering surfaces. The method is sensitive, gauge free and has a fairly high resolution. It is based on the scattering of a coherent plane light wave at the surface and the evaluation of the intensity pattern of the scattered light in the far field by use of a CCD camera. By properly choosing the scattering geometry one can measure specific components of the velocity gradient of the surface.
引用
收藏
页码：1557 / 1564
页数：8
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