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Proceedings Paper

Simplified sensor design for temperature-strain discrimination using fiber Bragg gratings embedded in laminated composites
Author(s): L. Rodriguez-Cobo; A. T. Marques; J.M. Lopez-Higuera; J. L. Santos; O. Frazão
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Paper Abstract

Several easy-to-manufacture designs based on a pair of Fiber Bragg Gratings structure embedded in Carbon Fiber Reinforced Plastic (CFRP) have been explored. These smart composites can be used for strain and temperature discrimination. A Finite Elements Analysis and Matlab software were used to study the mechanical responses and its optical behaviors. The results exhibited different sensitivity and using a matrix method it is possible to compensate the thermal drift in a real application keeping a simple manufacture process.

Paper Details

Date Published: 20 May 2013
PDF: 4 pages
Proc. SPIE 8794, Fifth European Workshop on Optical Fibre Sensors, 87942W (20 May 2013); doi: 10.1117/12.2026524
Show Author Affiliations
L. Rodriguez-Cobo, Univ. de Cantabria (Spain)
A. T. Marques, Univ. of Porto (Portugal)
J.M. Lopez-Higuera, Univ. de Cantabria (Spain)
J. L. Santos, INESC Porto (Portugal)
O. Frazão, INESC Porto (Portugal)

Published in SPIE Proceedings Vol. 8794:
Fifth European Workshop on Optical Fibre Sensors
Leszek R. Jaroszewicz, Editor(s)

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