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Proceedings Paper

Embedded Modal Domain Sensors Using Elliptical Core Optical Fibers
Author(s): K. A. Murphy; M. S. Miller; A. M. Vengsarkar; R. O. Claus; N. E. Lewis
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Paper Abstract

Few-mode, elliptical core fibers embedded in graphite-epoxy composites have been shown to detect the strain and vibration effects on the host material. A theoretical description of the sensor operation is presented and the insensitivity of the lead-in and lead-out fibers to strain is investigated. A scheme using a single-mode elliptical-core fiber as the lead-in fiber and an offset circular core single mode fiber as the lead-out fiber is successfully implemented. The effect on the sensitivity of the system, when the fibers are embedded between different layers of the laminate, is evaluated.

Paper Details

Date Published: 5 February 1990
PDF: 8 pages
Proc. SPIE 1170, Fiber Optic Smart Structures and Skins II, (5 February 1990); doi: 10.1117/12.963133
Show Author Affiliations
K. A. Murphy, Virginia Polytechnic Institute and State University (United States)
M. S. Miller, Virginia Polytechnic Institute and State University (United States)
A. M. Vengsarkar, Virginia Polytechnic Institute and State University (United States)
R. O. Claus, Virginia Polytechnic Institute and State University (United States)
N. E. Lewis, Litton Systems Incorporated (United States)


Published in SPIE Proceedings Vol. 1170:
Fiber Optic Smart Structures and Skins II
Eric Udd, Editor(s)

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