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

Yanping Xu | Zendy; Ping Lü | Zendy; Zengguang Qin | Zendy; Jérémie Harris | Zendy; Farhana Baset | Zendy; V. R. Bhardwaj | Zendy; Xiaoyi Bao | Zendy

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

Author(s) -

Yanping Xu,

Ping Lü,

Zengguang Qin,

Jérémie Harris,

Farhana Baset,

V. R. Bhardwaj,

Xiaoyi Bao

Publication year - 2013

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.21.003031

Subject(s) - interferometry , optics , mach–zehnder interferometer , vibration , optical fiber , materials science , cladding (metalworking) , fiber optic sensor , acoustics , physics , metallurgy

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.

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