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Proceedings Paper

Damage detection in structural materials using a polarimetric fiber optic sensor
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Paper Abstract

We describe a novel but simple method of detecting Lamb waves through the measurement of the changes in the polarimetric state of light propagating through an optical fibre which has been either embedded into or bonded onto the plate to be tested. The directional properties of the sensor are described, as is its ability to detect a hole produced in the plate. We also show how the relative sizes of the detected signal amplitudes from the source PZT and from the hole vary according to the alignment of the source with the sensor axis.

Paper Details

Date Published: 22 July 2003
PDF: 10 pages
Proc. SPIE 5050, Smart Structures and Materials 2003: Smart Sensor Technology and Measurement Systems, (22 July 2003); doi: 10.1117/12.484758
Show Author Affiliations
Graham Thursby, Univ. of Strathclyde (United Kingdom)
Borja Sorazu, Univ. of Strathclyde (United Kingdom)
Fengzhong Dong, Univ. of Strathclyde (United Kingdom)
Daniel C. Betz, DaimlerChrysler AG (Germany)
Brian Culshaw, Univ. of Strathclyde (United Kingdom)


Published in SPIE Proceedings Vol. 5050:
Smart Structures and Materials 2003: Smart Sensor Technology and Measurement Systems
Daniele Inaudi; Eric Udd, Editor(s)

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