Fourier transform method of fringe analysis for moire interferometry

Sergio De Nicola; Pietro Ferraro; Andrea Finizio; Giovanni Pierattini

doi:10.1117/12.373662

29 December 1999 Fourier transform method of fringe analysis for moire interferometry

Sergio De Nicola, Pietro Ferraro, Andrea Finizio, Giovanni Pierattini

Proceedings Volume 4016, Photonics, Devices, and Systems; (1999) https://doi.org/10.1117/12.373662
Event: Photonics Prague '99, 1999, Prague, Czech Republic

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/graphite-PEEK composite laminates are analyzed as example of application of the technique.

Citation Download Citation

Sergio De Nicola, Pietro Ferraro, Andrea Finizio, and Giovanni Pierattini "Fourier transform method of fringe analysis for moire interferometry", Proc. SPIE 4016, Photonics, Devices, and Systems, (29 December 1999); https://doi.org/10.1117/12.373662

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