DIRECT PHASE DETERMINATION IN HOLOGRAM INTERFEROMETRY WITH USE OF DIGITALLY RECORDED HOLOGRAMS

被引：390

作者：

SCHNARS, U

机构：

[1] Bremer Institut fiir Angewandte Strahltechnik, Bremen, 28359

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 1994年 / 11卷 / 07期

关键词：

D O I：

10.1364/JOSAA.11.002011

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A new method of phase determination in hologram interferometry is described. The Fresnel holograms, which represent the undeformed and the deformed states of the object, are generated on a CCD target and stored electronically. No lens or other imaging device is used. The reconstruction is done from the digitally stored holograms with mathematical methods. It is shown that the intensity as well as the phase can be calculated from the digitally sampled holograms. A comparison of the phases of the undeformed and the deformed states permits direct determination of the interference phase.

引用

页码：2011 / 2015

页数：5

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