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Proceedings Paper

Analysis of macro-model composites with Fabry-Perot fiber-optic sensors
Author(s): Brian R. Fogg; William V. Miller III; John J. Lesko; Gregory Paul Carman; Ashish M. Vengsarkar; Kenneth L. Reifsnider; Richard O. Claus
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Paper Abstract

Fabry-Perot fiber optic sensors embedded within composite macromodels are shown to be useful in measuring strain concentrations introduced by damage events. Fiber sensors effectively detect the signature of the fracture as well as provide accurate information about the state of the host material. We show that the results obtained from fiber sensors and electrical strain gauges validate newly developed micromechanical theories. Fiber sensors with gauge lengths of 4 mm are shown to be capable of resolving strains on the order of 1 micro-epsilon. The composite macromodel is described in detail and future issues are addressed.

Paper Details

Date Published: 1 December 1991
PDF: 12 pages
Proc. SPIE 1588, Fiber Optic Smart Structures and Skins IV, (1 December 1991); doi: 10.1117/12.50161
Show Author Affiliations
Brian R. Fogg, Virginia Polytechnic Institute and State Univ. (United States)
William V. Miller III, Virginia Polytechnic Institute and State Univ. (United States)
John J. Lesko, Virginia Polytechnic Institute and State Univ. (United States)
Gregory Paul Carman, Virginia Polytechnic Institute and State Univ. (United States)
Ashish M. Vengsarkar, Virginia Polytechnic Institute and State Univ. (United States)
Kenneth L. Reifsnider, Virginia Polytechnic Institute and State Univ. (United States)
Richard O. Claus, Virginia Polytechnic Institute and State Univ. (United States)


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

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