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Proceedings Paper

High Resolution Video-Processing For Holographic Interferometry Applied To Contouring And Measuring Deformations
Author(s): R. Thalmann; R. Dandliker
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Paper Abstract

An opto-electronic system for the evaluation of double-exposure and double-pulse holographic interferograms is presented. Video-electronic detection with quasi-heterodyne fringe interpolation (step-wise phase shifting) is employed and yields a resolution of 1/100 of a fringe. Automated quantitative determination of object shape and object deformation is possible in the same set-up.

Paper Details

Date Published: 27 March 1985
PDF: 8 pages
Proc. SPIE 0492, 1984 European Conf on Optics, Optical Systems, and Applications, (27 March 1985); doi: 10.1117/12.943715
Show Author Affiliations
R. Thalmann, Institut de Microtechnique de l'Universite (Switzerland)
R. Dandliker, Institut de Microtechnique de l'Universite (Switzerland)


Published in SPIE Proceedings Vol. 0492:
1984 European Conf on Optics, Optical Systems, and Applications
Bouwe Bolger; Hedzer A. Ferwerda, Editor(s)

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