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Proceedings Paper

Accuracy analysis of phase retrieval using Fourier transform method
Author(s): Beibei Liu; Yingjie Yu; Wenjing Zhou; Xiaoyan Wu
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Paper Abstract

Phase retrieval based on the transport of intensity equation (TIE) is a non-interferometric and quantitative technique for phase reconstruction which has been applied to many fields of physics. The TIE expresses the relationship between the object-plane phase and the axial intensity derivative in the Fresnel region for coherent and partially coherent fields and there have been many methods to solve it. In this paper, the Fourier transform method that was an approximate but a widely used solution to the TIE was studied. The concrete steps of the solution were given and two simulations were performed to study the influence of the intensity on the phase retrieval accuracy. Finally, a fiber was selected as the sample to reconstruct its phase using Fourier transform method in practice and the phase was retrieved with acceptable accuracy.

Paper Details

Date Published: 6 March 2015
PDF: 7 pages
Proc. SPIE 9446, Ninth International Symposium on Precision Engineering Measurement and Instrumentation, 94462V (6 March 2015); doi: 10.1117/12.2181197
Show Author Affiliations
Beibei Liu, Shanghai Univ. (China)
Yingjie Yu, Shanghai Univ. (China)
Wenjing Zhou, Shanghai Univ. (China)
Xiaoyan Wu, Shanghai Univ. (China)

Published in SPIE Proceedings Vol. 9446:
Ninth International Symposium on Precision Engineering Measurement and Instrumentation
Junning Cui; Jiubin Tan; Xianfang Wen, Editor(s)

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