Design and manufacturing of an EFPI sensor for embedding in carbon/epoxy composites

Anders Henriksson; F. Brandt

doi:10.1117/12.184965

14 September 1994 Design and manufacturing of an EFPI sensor for embedding in carbon/epoxy composites

Anders Henriksson, F. Brandt

Proceedings Volume 2360, Tenth International Conference on Optical Fibre Sensors; (1994) https://doi.org/10.1117/12.184965
Event: 10th Optical Fibre Sensors Conference, 1994, Glasgow, United Kingdom

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.

Citation Download Citation

Anders Henriksson and F. Brandt "Design and manufacturing of an EFPI sensor for embedding in carbon/epoxy composites", Proc. SPIE 2360, Tenth International Conference on Optical Fibre Sensors, (14 September 1994); https://doi.org/10.1117/12.184965

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