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Proceedings Paper

Detection of micromechanical deformation under rigid body displacement using twin-pulsed 3D digital holography
Author(s): Carlos Perez-Lopez; Maria del Socorro Hernandez-Montes; Fernando Mendoza-Santoyo
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Paper Abstract

Twin-pulsed digital holography in its 3D set up is used to recover exclusively the micro-mechanical deformation of an object. The test object is allowed to have rigid body movements such as rotation and translation, with the result that the fringe patterns contain information of the latter and the object deformation, a feature that may significantly modify the interpretation of the results. Experimental results from a flat metal plate subject to micro stress and a displacement in the x-z plane are presented to demonstrate that using this optical method it is possible to recover exclusively the contribution of the micro stress.

Paper Details

Date Published: 14 February 2005
PDF: 6 pages
Proc. SPIE 5776, Eighth International Symposium on Laser Metrology, (14 February 2005); doi: 10.1117/12.611747
Show Author Affiliations
Carlos Perez-Lopez, Ctr. de Investigaciones en Optica, A.C. (Mexico)
Maria del Socorro Hernandez-Montes, Ctr. de Investigaciones en Optica, A.C. (Mexico)
Fernando Mendoza-Santoyo, Ctr. de Investigaciones en Optica, A.C. (Mexico)

Published in SPIE Proceedings Vol. 5776:
Eighth International Symposium on Laser Metrology
R. Rodriguez-Vera; F. Mendoza-Santoyo, Editor(s)

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