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Proceedings Paper

Tapered single-mode spatially weighted optical fiber vibration sensors
Author(s): Tuan A. Tran; Kent A. Murphy; Brian R. Fogg; James M. Sanderson; Richard O. Claus
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Paper Abstract

In this paper, we present a weighted Mach-Zehnder interferometric sensor that is used to filter vibration modes in a one-dimensional beam placed in a clamped-free arrangement. The sensitivity of the fiber has been tailored for a specific mode shape of an excited beam by tapering a single mode circular core fiber. Mode suppressions on the order of 4 dB have been demonstrated.

Paper Details

Date Published: 26 March 1993
PDF: 7 pages
Proc. SPIE 1798, Fiber Optic Smart Structures and Skins V, (26 March 1993); doi: 10.1117/12.141307
Show Author Affiliations
Tuan A. Tran, Fiber and Sensor Technologies, Inc. (United States)
Kent A. Murphy, Virginia Polytechnic Institute and State Univ. (United States)
Brian R. Fogg, Virginia Polytechnic Institute and State Univ. (United States)
James M. Sanderson, 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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