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Opt Express. 2013 Feb 11;21(3):3031-42. doi: 10.1364/OE.21.003031.

Vibration sensing using a tapered bend-insensitive fiber based Mach-Zehnder interferometer.

Author information

1
Department of Physics, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada.

Abstract

In this study, a novel fiber-optic sensor consisting of a tapered bend-insensitive fiber based Mach-Zehnder interferometer is presented to realize damped and continuous vibration measurement. The double cladding structure and the central coating region of the in-fiber interferometer ensure an enhanced mechanical strength, reduced external disturbance, and a more uniform spectrum. A damped vibration frequency range of 29-60 Hz as well as continuous vibration disturbances ranging from 1 Hz up to 500 kHz are successfully demonstrated.

PMID:
23481761
[Indexed for MEDLINE]

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