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Chin. Opt. Lett.
 Home  List of Issues    Issue 01 , Vol. 10 , 2012    10.3788/COL201210.011201

Compact fiber optic accelerometer
Feng Peng, Jun Yang, Bing Wu, Yonggui Yuan, Xingliang Li, Ai Zhou, Libo Yuan
Photonics Research Center, School of Science, Harbin Engineering University, Harbin 150001, China

Chin. Opt. Lett., 2012, 10(01): pp.011201

Topic:Instrumentation, measurement and metrology
Keywords(OCIS Code): 120.3180  060.2370  130.3120  120.7280  

A compact fiber optic accelerometer based on a Michelson interferometer is proposed and demonstrated. In the proposed system, the sensing element consists of two single-mode fibers glued together by epoxy, which then act as a simple supported beam. By demodulating the optical phase shift, the acceleration is determined as proportional to the force applied on the central position of the two single-mode fibers. This simple model is able to calculate the sensitivity and the resonant frequency of the compact accelerometer. The experimental results show that the sensitivity and the resonant frequency of the accelerometer are 0.42 rad/g and 600 Hz, respectively.

Copyright: © 2003-2012 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Posted online:2011/8/24

Get Citation: Feng Peng, Jun Yang, Bing Wu, Yonggui Yuan, Xingliang Li, Ai Zhou, Libo Yuan, "Compact fiber optic accelerometer," Chin. Opt. Lett. 10(01), 011201(2012)



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