Real-time coherence holography

被引：20

作者：

Naik, Dinesh N. ^{[1
]}

Ezawa, Takahiro ^{[1
]}

Miyamoto, Yoko ^{[1
]}

Takeda, Mitsuo ^{[1
]}

机构：

[1] Univ Electrocommun, Lab Informat Photon & Wave Signal Proc, Dept Informat & Commun Engn, Tokyo 1828585, Japan

来源：

OPTICS EXPRESS | 2010年 / 18卷 / 13期

关键词：

LONGITUDINAL SPATIAL COHERENCE; RADIAL SHEARING INTERFEROMETER; SURFACE PROFILOMETRY; PHASE-SHIFT; LIGHT; FREQUENCY;

D O I：

10.1364/OE.18.013782

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Coherence holography capable of real-time recording and reconstruction is proposed and experimentally demonstrated with a generic Leith-type coherence hologram. The coherence hologram is optically generated in real-time using a Mach-Zehnder interferometer and reconstructed using a Sagnac radial shearing interferometer. With this method one can create an optical field distribution with a desired spatial coherence function, and visualize the coherence function in real-time as the contrast and phase variations in an interference fringe pattern. The reconstructed image of the complex coherence function has been quantified with the Fourier transform method of fringe-pattern analysis. (C) 2010 Optical Society of America

引用

页码：13782 / 13787

页数：6

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