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Proceedings Paper

Composite cure monitoring with embedded optical fiber sensors
Author(s): Andrew Davis; Myo Myint Ohn; Kexing Liu; Raymond M. Measures
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Paper Abstract

This paper will report on efforts directed towards the generation and detection of ultrasonic waves using optical fibers. Interferometric optical fiber sensors are embedded within or bonded to the samples. Two different techniques, laser generated ultrasound and piezoelectric ultrasonics, were used in the study of pulse delay measurements in aluminum and in a room temperature cured epoxy. Group velocity in aluminum was determined with both techniques. The application of these two methods to epoxy cure monitoring is discussed.

Paper Details

Date Published: 1 October 1991
PDF: 11 pages
Proc. SPIE 1489, Structures Sensing and Control, (1 October 1991); doi: 10.1117/12.46585
Show Author Affiliations
Andrew Davis, Univ. of Toronto Institute for Aerospace Studies (Canada)
Myo Myint Ohn, Univ. of Toronto Institute for Aerospace Studies (Canada)
Kexing Liu, Univ. of Toronto Institute for Aerospace Studies (Canada)
Raymond M. Measures, Univ. of Toronto Institute for Aerospace Studies (Canada)


Published in SPIE Proceedings Vol. 1489:
Structures Sensing and Control
John Breakwell; Vijay K. Varadan, Editor(s)

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