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Proceedings Paper

Ultrasonic NDE (nondestructive evaluation) for composite materials using embedded fiber optic interferometric sensors
Author(s): Kexing Liu; Suzanne M. Ferguson; Andrew Davis; Keith McEwen; Raymond M. Measures
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Paper Abstract

An interferometric fiber optic sensor using ordinary single-mode fibers is developed to detect elastic strain waves for nondestructive evaluation of composite materials. This fiber sensor has been embedded in both graphite/epoxy and Kevlar/epoxy composite specimens. Applications of the sensor for detection of acoustic emission and laser generated ultrasound are presented. Limitations of the sensor are also discussed. 1.

Paper Details

Date Published: 1 April 1991
PDF: 7 pages
Proc. SPIE 1398, CAN-AM Eastern '90, (1 April 1991); doi: 10.1117/12.47795
Show Author Affiliations
Kexing Liu, Univ. of Toronto (Canada)
Suzanne M. Ferguson, Univ. of Toronto (Canada)
Andrew Davis, Univ. of Toronto (Canada)
Keith McEwen, Univ. of Toronto (Canada)
Raymond M. Measures, Univ. of Toronto (Canada)

Published in SPIE Proceedings Vol. 1398:
CAN-AM Eastern '90

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