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Proceedings Paper

All-optical acousto-optic method for determination of photo-elastic constants of optical materials
Author(s): Robert J. Filkins; Gary J. Saulnier; Pankaj K. Das
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Paper Abstract

We report on an all-optical method to determine the photo-elastic constants of optical materials. The two-laser technique is based on a combination of the acousto-optic effect and the laser generation of ultrasound. The laser generated ultrasonic wave produces a Raman-Nath type diffraction. The diffraction effciency is proportional to the photo-elastic constants of the material investigated. The constants are determined by careful analysis of the diffraction signals obtained from a stack comprising an unknown material and a reference material.

Paper Details

Date Published: 14 November 2003
PDF: 11 pages
Proc. SPIE 5192, Optical Diagnostic Methods for Inorganic Materials III, (14 November 2003); doi: 10.1117/12.506561
Show Author Affiliations
Robert J. Filkins, GE Global Research Lab. (United States)
Rensselaer Polytechnic Institute (United States)
Gary J. Saulnier, Rensselaer Polytechnic Institute (United States)
Pankaj K. Das, Rensselaer Polytechnic Institute (United States)
Univ. of California/San Diego (United States)

Published in SPIE Proceedings Vol. 5192:
Optical Diagnostic Methods for Inorganic Materials III
Leonard M. Hanssen, Editor(s)

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