Temporal phase unwrapping of digital hologram sequences

被引：42

作者：

Pedrini, G ^{[1
]}

Alexeenko, I ^{[1
]}

Osten, W ^{[1
]}

Tiziani, HJ ^{[1
]}

机构：

[1] Univ Stuttgart, Inst Tech Opt, D-70569 Stuttgart, Germany

来源：

APPLIED OPTICS | 2003年 / 42卷 / 29期

关键词：

SPECKLE PATTERN INTERFEROMETRY; FOURIER-TRANSFORM METHOD; DEFORMATION; OBJECTS;

D O I：

10.1364/AO.42.005846

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A method for recording and evaluating digital image-plane holograms is presented. Hundreds of holograms of an object that has been subjected to dynamic deformation (e.g., vibrations) are recorded. The phase of the wave front is calculated from the recorded holograms by use of a two-dimensional digital Fourier-transform method. By temporal phase unwrapping it is possible to determine the absolute deformation (included the direction of motion) of the object. Experimental results are presented, and the advantages of temporal phase unwrapping compared with spatial phase unwrapping are discussed. (C) 2003 Optical Society of America.

引用

页码：5846 / 5854

页数：9

共 24 条

[1] Phase evaluation of speckle patterns during continuous deformation by use of phase-shifting speckle interferometry [J].