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Proceedings Paper

Fourier transform moire deflectometry
Author(s): Ming Wang; Dacheng Li; Jingang Zhong; Weimin Chen
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Paper Abstract

Fourier transform technique for moire deflectogram is proposed to automatically map the phase object. The moire deflectogram is generate by conventional deflectometer and is analyzed by means of Fourier transform algorithm, in which the fringe phase is retrieved and phase object message is obtained automatically. Theoretical analysis, simulation calculation and application example are presented.

Paper Details

Date Published: 30 June 1998
PDF: 12 pages
Proc. SPIE 3478, Laser Interferometry IX: Techniques and Analysis, (30 June 1998); doi: 10.1117/12.312961
Show Author Affiliations
Ming Wang, Tsinghua Univ. (Japan)
Dacheng Li, Tsinghua Univ. (China)
Jingang Zhong, Nanchang Univ. (China)
Weimin Chen, Chongqing Univ. (China)

Published in SPIE Proceedings Vol. 3478:
Laser Interferometry IX: Techniques and Analysis
Malgorzata Kujawinska; Gordon M. Brown; Mitsuo Takeda, Editor(s)

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