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Proceedings Paper

Fiber optic impact detection and location system embedded in a composite material
Author(s): Michael F. Gunther; Anbo Wang; Brian R. Fogg; Suzanne E. Starr; Kent A. Murphy; Richard O. Claus
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Paper Abstract

We present an impact detection and location system which uses fiber optic extrinsic Fizeau interferontric sensors embedded in a graphite/epoxy composite laminate. The acoustic signals generated by the impact events are detected by four fiber optic sensors. The fiber sensor and the embedding process are described. Also developed are a mathematical method and computer program that allow calculations of unambiguous impact location from the sensor data. The impact location can be determined with a 0.5 millimeter resolution and an accuracy typically less than five millimeters.

Paper Details

Date Published: 26 March 1993
PDF: 8 pages
Proc. SPIE 1798, Fiber Optic Smart Structures and Skins V, (26 March 1993); doi: 10.1117/12.141322
Show Author Affiliations
Michael F. Gunther, Virginia Polytechnic Institute and State Univ. (United States)
Anbo Wang, Virginia Polytechnic Institute and State Univ. (United States)
Brian R. Fogg, Virginia Polytechnic Institute and State Univ. (United States)
Suzanne E. Starr, Virginia Polytechnic Institute and State Univ. (United States)
Kent A. Murphy, Virginia Polytechnic Institute and State Univ. (United States)
Richard O. Claus, Virginia Polytechnic Institute and State Univ. (United States)


Published in SPIE Proceedings Vol. 1798:
Fiber Optic Smart Structures and Skins V
Richard O. Claus; Robert S. Rogowski, Editor(s)

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