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Chinese Optics Letters

Chinese Optics Letters


  • Editor: Zhizhan Xu
  • Vol. 12, Iss. 2 — Feb. 1, 2014
  • pp: 020604–

Temperature-insensitive fiber cantilever vibration sensor based on a fiber-to-fiber structure

Ben Xu, Jianqing Li, Yuanyuan Pan, Yi Li, and Xinyong Dong  »View Author Affiliations

Chinese Optics Letters, Vol. 12, Issue 2, pp. 020604- (2014)

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A simple optical fiber cantilever vibration sensor consisting of two opposite aligned bare optical fibers sealed in a quartz capillary is presented.The fiber with the longer bare section is suspended in air and acts as a cantilever. By detecting the transmission power of the sensor directly, the environmental vibrational frequencies and amplitudes may be obtained. By adjusting the cantilever's natural deflection angle, the sensor can achieve high sensitivity, good response linearity, and a wide dynamic range. Coupling conditions are optimized to minimize temperature effects by simply setting an appropriate air gap between the bare fibers.

© 2014 Chinese Optics Letters

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.7280) Instrumentation, measurement, and metrology : Vibration analysis
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:
Fiber Optics and Optical Communications

Ben Xu, Jianqing Li, Yuanyuan Pan, Yi Li, and Xinyong Dong, "Temperature-insensitive fiber cantilever vibration sensor based on a fiber-to-fiber structure," Chin. Opt. Lett. 12, 020604- (2014)

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