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Proceedings Paper

Real-time structural integrity monitoring using a passive quadrature demodulated, localized Michelson optical fiber interferometer capable of simultaneous strain and acoustic emission sensing
Author(s): Edward Tapanes
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Paper Abstract

A Michelson Fibre optic sensor (MFOS) is described for in-situ strain and vibration monitoring as well as acoustic emission detection in composite material structures. The phase sensitive fibre optic sensor is localised, all-fibre, and intrinsic. The MFOS was successfully embedded in Keviar/epoxy and graphite/epoxy thermosets as well as graphite/PEEK thermoplastic in order to perform local strain and vibration measurements at the lamina level. A technique allowing acoustic emission detection in parallel with strain and vibration monitoring is illustrated.

Paper Details

Date Published: 1 December 1991
PDF: 12 pages
Proc. SPIE 1588, Fiber Optic Smart Structures and Skins IV, (1 December 1991); doi: 10.1117/12.50188
Show Author Affiliations
Edward Tapanes, Aerospace Structures Research Ctr. (Australia)

Published in SPIE Proceedings Vol. 1588:
Fiber Optic Smart Structures and Skins IV
Richard O. Claus; Eric Udd, Editor(s)

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