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Optical Engineering

Boundary Surface Testing Via Differential Interferometric Measurements Of Interface Waves
Author(s): Richard O. Claus
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Paper Abstract

Optical differential interferometry, initially developed to characterize planar recording media surfaces and subsequently used to detect continuous and pulsed ultrasonic elastic waves, has recently been applied to the measurement of the interface properties of bonded transparent solids. Acousto-optic interaction between dual laser probe beams and periodic particle displacement fields induced by acoustic waves on the boundary permits the qualitative identification of surface conditions at the interface. In this paper, the theory and operation of the real-time interferometric measurement system, an analysis of the acousto-optic interaction, and surface testing results for bonded glass specimens are presented.

Paper Details

Date Published: 1 August 1980
PDF: 3 pages
Opt. Eng. 19(4) 194590 doi: 10.1117/12.7972564
Published in: Optical Engineering Volume 19, Issue 4
Show Author Affiliations
Richard O. Claus, Virginia Polytechnic Institute and State University (United States)

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