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Proceedings Paper

Design and manufacturing of an EFPI sensor for embedding in carbon/epoxy composites
Author(s): Anders Henriksson; F. Brandt
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Paper Abstract

An Uni-diameter Tail tapered Fabry-Perot Interferometer, UTFI, based on the concept of the well known fibre optic Extrinsic Fabry-Perot Interferometer strain sensor, was geometrically developed for improved embedding properties in carbon/epoxy composites. The sensor was annealed and etched with HF-acid for improved strength and re-coated with polyimide for moisture protection. The correlation between fringe visibility and geometrical parameters of the sensor was studied to establish requirements for the manufacturing process.

Paper Details

Date Published: 14 September 1994
PDF: 4 pages
Proc. SPIE 2360, Tenth International Conference on Optical Fibre Sensors, (14 September 1994); doi: 10.1117/12.184965
Show Author Affiliations
Anders Henriksson, The Aeronautical Research Institute of Sweden (Sweden)
F. Brandt, The Aeronautical Research Institute of Sweden (Sweden)

Published in SPIE Proceedings Vol. 2360:
Tenth International Conference on Optical Fibre Sensors
Brian Culshaw; Julian D. C. Jones, Editor(s)

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