Detection of micromechanical deformation under rigid body displacement using twin-pulsed 3D digital holography

Carlos Perez-Lopez; Maria del Socorro Hernandez-Montes; Fernando Mendoza-Santoyo

doi:10.1117/12.611747

14 February 2005 Detection of micromechanical deformation under rigid body displacement using twin-pulsed 3D digital holography

Carlos Perez-Lopez, Maria del Socorro Hernandez-Montes, Fernando Mendoza-Santoyo

Author Affiliations +

Proceedings Volume 5776, Eighth International Symposium on Laser Metrology; (2005) https://doi.org/10.1117/12.611747
Event: Eighth International Conference on Laser Metrology, 2005, Merida, Mexico

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.

Citation Download Citation

Carlos Perez-Lopez, Maria del Socorro Hernandez-Montes, and Fernando Mendoza-Santoyo "Detection of micromechanical deformation under rigid body displacement using twin-pulsed 3D digital holography", Proc. SPIE 5776, Eighth International Symposium on Laser Metrology, (14 February 2005); https://doi.org/10.1117/12.611747

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