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Proceedings Paper

Fringe analysis of moire interferometry for studying micromechanical behavior of composite materials
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Paper Abstract

An automated Fourier-transform method of phase retrieval of moire interferometric fringe pattern is presented. The method is shown to provide fast and accurate determination of the phase information by removing the carrier without shifting in frequency domain the filtered Fourier spectrum of the carrier-modulated moire fringe pattern. The principle of the method is described and moire interferometric measurements with submicron sensitivity of the in-plane displacement fields of thick carbon fiber/PEEK composite laminates are analyzed as example of application of the technique.

Paper Details

Date Published: 17 August 1999
PDF: 8 pages
Proc. SPIE 3745, Interferometry '99: Applications, (17 August 1999); doi: 10.1117/12.357788
Show Author Affiliations
Sergio De Nicola, Istituto di Cibernetica (Italy)
Pietro Ferraro, Istituto di Cibernetica and ITIS VIII Augusto Righi (Italy)
Andrea Finizio, Istituto di Cibernetica (Italy)
Giovanni Pierattini, Istituto di Cibernetica (Italy)
Marella De Angelis, Istituto di Cibernetica (Italy)

Published in SPIE Proceedings Vol. 3745:
Interferometry '99: Applications
Werner P. O. Jueptner; Krzysztof Patorski, Editor(s)

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