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Proceedings Paper

Ultrasonic modal detection in carbon fibre plates using fibre optic sensors
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Paper Abstract

Ultrasonic Lamb waves can be detected by various optical sensors, including polarimetric and FBG fibre sensors embedded within the sample plate. The difference between the responses of two types of optical fibre sensors, both positioned at different depths within a carbon fibre composite plate, to the first symmetric (S0) and antisymmetric (A0) Lamb waves are described. These responses illustrate the difference in characteristics between the two modes and may be used to identify phenomena such as mode conversion that might be caused by either structural features or damage within the material.

Paper Details

Date Published: 9 September 2010
PDF: 4 pages
Proc. SPIE 7653, Fourth European Workshop on Optical Fibre Sensors, 765338 (9 September 2010); doi: 10.1117/12.866437
Show Author Affiliations
Graham Thursby, Univ. of Strathclyde (United Kingdom)
Brian Culshaw, Univ. of Strathclyde (United Kingdom)


Published in SPIE Proceedings Vol. 7653:
Fourth European Workshop on Optical Fibre Sensors

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