Accurate phase-shifting digital interferometry

被引：60

作者：

Atlan, M.

Gross, M.

Absil, E.

机构：

[1] Univ Paris 06, Ecole Normale Super, Lab Kastler Brossel, UMR 8552, F-75231 Paris, France

[2] CNRS, UPR A0005, Ecole Super Phys & Chim Ind Ville Paris, Lab Opt, F-75231 Paris, France

来源：

OPTICS LETTERS | 2007年 / 32卷 / 11期

关键词：

D O I：

10.1364/OL.32.001456

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In phase-shifting interferometry experiments, the accuracy of the phase shift is a major issue. Many experimental and data analyses are done to cancel phase-shift errors inherent to the modulation techniques used. We propose to remove most of the phase-shift error by recourse to a frequency-shifting method. This approach can be applied to both holography and interferometry. We validate the idea with a holographic experiment. (c) 2007 Optical Society of America.

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收藏

页码：1456 / 1458

页数：3

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