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Proceedings Paper

Calibration method using sampling moire method for phase-shifting digital holography with multiple imaging devices
Author(s): Motoharu Fujigaki; Ryosuke Goto; Yorinobu Murata
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Paper Abstract

Phase-shifting digital holography is a convenient method to measure displacement and strain distributions. To simplify the optical setup is required for producing more compact equipment. In this paper, a calibration method using a sampling moire method for phase-shifting digital holography with multiple imaging devices is proposed. It is, however, difficult to find the corresponding points on the each reconstructed images taken by each imaging sensors. A 2-D grating reference plate is used. The two-dimensional (2-D) phase map of the 2-D grating pattern can be analyzed accurately. The principle and the experimental results to apply to the deformation measurement are shown.

Paper Details

Date Published: 13 September 2012
PDF: 8 pages
Proc. SPIE 8494, Interferometry XVI: Applications, 849408 (13 September 2012); doi: 10.1117/12.930744
Show Author Affiliations
Motoharu Fujigaki, Wakayama Univ. (Japan)
Ryosuke Goto, Wakayama Univ. (Japan)
Yorinobu Murata, Wakayama Univ. (Japan)


Published in SPIE Proceedings Vol. 8494:
Interferometry XVI: Applications
Cosme Furlong; Christophe Gorecki; Erik L. Novak, Editor(s)

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