Wave front reconstruction by means of phase-shifting digital in-line holography

被引：116

作者：

Lai, SC ^{[1
]}

King, B ^{[1
]}

Neifeld, MA ^{[1
]}

机构：

[1] Univ Arizona, Dept Elect & Comp Engn, Tucson, AZ 85721 USA

来源：

OPTICS COMMUNICATIONS | 2000年 / 173卷 / 1-6期

关键词：

computer holography; phase shift;

D O I：

10.1016/S0030-4018(99)00625-2

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A method of recording four quadrature-reference-wave-holograms by CCD and reconstructing the object wave front by numerical calculation is presented in this paper. The terms of direct transmitting, auto-correlation and conjugate wave in the four reconstructing waves are cancelled out and only the original object wave is left after overlapping. Reconstructed images are obtained by calculating through Fresnel-Kirchhoff integral on computers. The influences of the noise of CCD and the phase-shifting error of phase-shift elements to the quality of the reconstructed images are analyzed. Experimental results show that pure original object wave or the conjugate object wave can be reconstructed in in-line holograms using the method in this paper. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：155 / 160

页数：6

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