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Proceedings Paper

Simultaneous strain and temperature measurements in composites using extrinsic Fabry-Perot interferometric and intrinsic rare-earth-doped fiber sensors
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Paper Abstract

This paper reports on a novel optical fiber-based sensing scheme for conducting simultaneous strain and temperature measurements. The sensor design involved the use of an extrinsic Fabry-Perot interferometric strain sensor and a rare-earth doped fiber fluorescence decay-time based temperature sensor. The combined sensors were embedded in a carbon fiber reinforced composite system and evaluated. The feasibility of using this embedded sensor configuration for simultaneous strain and temperature measurements was demonstrated.

Paper Details

Date Published: 21 July 1998
PDF: 10 pages
Proc. SPIE 3330, Smart Structures and Materials 1998: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials, (21 July 1998); doi: 10.1117/12.316990
Show Author Affiliations
Tonguy Liu, Brunel Univ. (United Kingdom)
Gerard Franklyn Fernando, Brunel Univ. (United Kingdom)
Zhiyi Zhang, City Univ. (United Kingdom)
Kenneth T. V. Grattan, City Univ. (United Kingdom)


Published in SPIE Proceedings Vol. 3330:
Smart Structures and Materials 1998: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials
Richard O. Claus; William B. Spillman, Editor(s)

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