Tapered single-mode spatially weighted optical fiber vibration sensors

Tuan A. Tran; Kent A. Murphy; Brian R. Fogg; James M. Sanderson; Richard O. Claus

doi:10.1117/12.141307

26 March 1993 Tapered single-mode spatially weighted optical fiber vibration sensors

Tuan A. Tran, Kent A. Murphy, Brian R. Fogg, James M. Sanderson, Richard O. Claus

Proceedings Volume 1798, Fiber Optic Smart Structures and Skins V; (1993) https://doi.org/10.1117/12.141307
Event: Fibers '92, 1992, Boston, MA, United States

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.

Citation Download Citation

Tuan A. Tran, Kent A. Murphy, Brian R. Fogg, James M. Sanderson, and Richard O. Claus "Tapered single-mode spatially weighted optical fiber vibration sensors", Proc. SPIE 1798, Fiber Optic Smart Structures and Skins V, (26 March 1993); https://doi.org/10.1117/12.141307

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