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Proceedings Paper

Noise-immune interference fringe analysis by modification of local intensity histogram and 2D Fourier transform method
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Paper Abstract

A noise-immune method of phase retrieval of single moire interferometric fringe pattern is presented and discussed. The method is shown to provide accurate recovering of the phase information by combined method based on modification of local histogram of the fringe intensity and two dimensional Fourier transform of enhanced moire fringe pattern. The principle of the method is described and the experimental results of moire interferometric measurements with submicron sensitivity of the in-plane displacement fields of thick carbon fiber/PEEK composite laminates are presented as example of application of the technique.

Paper Details

Date Published: 2 March 2001
PDF: 6 pages
Proc. SPIE 4353, Laser Optics 2000: Control of Laser Beam Characteristics and Nonlinear Methods for Wavefront Control, (2 March 2001); doi: 10.1117/12.417750
Show Author Affiliations
Sergio De Nicola, Istituto di Cibernetica (Italy)
Pietro Ferraro, Istituto Nazionale di Ottica Applicata (Italy)
Igor P. Gurov, St. Petersburg State Institute of Fine Mechanics and Optics (Russia)
R. Koviazin, St. Petersburg State Institute of Fine Mechanics and Optics (Russia)
Mikhail V. Volkov, St. Petersburg State Institute of Fine Mechanics and Optics (Russia)


Published in SPIE Proceedings Vol. 4353:
Laser Optics 2000: Control of Laser Beam Characteristics and Nonlinear Methods for Wavefront Control
Leonid N. Soms; Vladimir E. Sherstobitov, Editor(s)

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