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Proceedings Paper

Fully remote generation and detection of ultrasonic waves for cure monitoring in epoxy materials using an Nd:YAG laser and optical fiber interferometer
Author(s): David J. Booth; Biswanath Mitra
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Paper Abstract

A fully remote all-optical technique for the generation and detection of ultrasonics in epoxy material. A sensitive wide-bandwidth optical fiber interferometer is used to remotely detect the arrival of these waves at the rear surface of the material. By monitoring the arrival time of these waves, the acoustic velocity can be determined. The technique has been used to monitor the acoustic velocity throughout the complete curing cycle of a rapid cure epoxy material.

Paper Details

Date Published: 21 July 1998
PDF: 9 pages
Proc. SPIE 3330, Smart Structures and Materials 1998: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials, (21 July 1998); doi: 10.1117/12.316968
Show Author Affiliations
David J. Booth, Victoria Univ. (Australia)
Biswanath Mitra, Victoria Univ. (Australia)


Published in SPIE Proceedings Vol. 3330:
Smart Structures and Materials 1998: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials
Richard O. Claus; William B. Spillman, Editor(s)

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