Holographic Fringe Linearization Interferometry (Fli) For Defect Detection Part Iii Load Desensitization With Moire Techniques

G. O. Reynolds; D. A. Servaes; L. Ramos-Izquierdo; J. B. DeVelis

doi:10.1117/12.946283

12 June 1985 Holographic Fringe Linearization Interferometry (Fli) For Defect Detection Part Iii Load Desensitization With Moire Techniques

G. O. Reynolds, D. A. Servaes, L. Ramos-Izquierdo, J. B. DeVelis

Author Affiliations +

Proceedings Volume 0523, Applications of Holography; (1985) https://doi.org/10.1117/12.946283
Event: 1985 Los Angeles Technical Symposium, 1985, Los Angeles, United States

Abstract

Holographic FLI technique provides a means of reducing fringe clutter noise. Holographic interferometry measures position changes of the order of the wavelength of the light used. Moire techniques provide a means of desensitizing holographic interferometry. Moire techniques may be employed with FLI with the objective of automating the defect detection process. It may be necessary to employ a spatial frequency filtering step to remove fringe clutter noise.

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G. O. Reynolds, D. A. Servaes, L. Ramos-Izquierdo, and J. B. DeVelis "Holographic Fringe Linearization Interferometry (Fli) For Defect Detection Part Iii Load Desensitization With Moire Techniques", Proc. SPIE 0523, Applications of Holography, (12 June 1985); https://doi.org/10.1117/12.946283

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