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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 3 — Feb. 11, 2013
  • pp: 3031–3042

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

Yanping Xu, Ping Lu, Zengguang Qin, Jeremie Harris, Farhana Baset, Ping Lu, Vedula Ravi Bhardwaj, and Xiaoyi Bao  »View Author Affiliations

Optics Express, Vol. 21, Issue 3, pp. 3031-3042 (2013)

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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.

© 2013 OSA

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.7280) Instrumentation, measurement, and metrology : Vibration analysis
(060.4005) Fiber optics and optical communications : Microstructured fibers

ToC Category:

Original Manuscript: December 5, 2012
Revised Manuscript: January 17, 2013
Manuscript Accepted: January 22, 2013
Published: January 31, 2013

Yanping Xu, Ping Lu, Zengguang Qin, Jeremie Harris, Farhana Baset, Ping Lu, Vedula Ravi Bhardwaj, and Xiaoyi Bao, "Vibration sensing using a tapered bend-insensitive fiber based Mach-Zehnder interferometer," Opt. Express 21, 3031-3042 (2013)

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