Statistical interferometry based on a fully developed speckle field: an experimental demonstration with noise analysis

被引:23
作者
Kadono, H [1 ]
Bitoh, Y [1 ]
Toyooka, S [1 ]
机构
[1] Saitama Univ, Grad Sch Sci & Engn, Urawa, Saitama 338, Japan
来源
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 2001年 / 18卷 / 06期
关键词
D O I
10.1364/JOSAA.18.001267
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A novel interferometric method named statistical interferometry is proposed and studied. In the method, in contrast to the conventional deterministic interferometry, the complete randomness of the two interfering light fields, i.e., the random interference of the fully developed speckle fields, plays an essential role and is used as a standard of phase in a statistical sense. Preliminary experiments were conducted to verify the validity of the method, followed by a computer simulation. : As an experimental result, the accuracy of the measurements of an out-of-plane displacement was confirmed up to lambda /800 by comparison with the heterodyne interferometer. The method has the advantage of simplicity of the optical system required, while at the same time providing high accuracy. (C) 2001 Optical Society of America.
引用
收藏
页码:1267 / 1274
页数:8
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