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

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

doi:10.1117/12.357788

17 August 1999 Fringe analysis of moire interferometry for studying micromechanical behavior of composite materials

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

Proceedings Volume 3745, Interferometry '99: Applications; (1999) https://doi.org/10.1117/12.357788
Event: International Conference on Optical Metrology, 1999, Pultusk Castle, Poland

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.

Citation Download Citation

Sergio De Nicola, Pietro Ferraro, Andrea Finizio, Giovanni Pierattini, and Marella De Angelis "Fringe analysis of moire interferometry for studying micromechanical behavior of composite materials", Proc. SPIE 3745, Interferometry '99: Applications, (17 August 1999); https://doi.org/10.1117/12.357788

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