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Optics Letters

Optics Letters


  • Vol. 36, Iss. 11 — Jun. 1, 2011
  • pp: 2056–2058

In-fiber integrated accelerometer

Feng Peng, Jun Yang, Xingliang Li, Yonggui Yuan, Bing Wu, Ai Zhou, and Libo Yuan  »View Author Affiliations

Optics Letters, Vol. 36, Issue 11, pp. 2056-2058 (2011)

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A compact in-fiber integrated fiber-optic Michelson interferometer based accelerometer is proposed and investigated. In the system, the sensing element consists of a twin-core fiber acting as a bending simple supported beam. By demodulating the optical phase shift, we obtain that the acceleration is proportional to the force applied on the central position of the twin-core fiber. A simple model has been established to calculate the sensitivity and resonant frequency. The experimental results show that such an accelerometer has a sensitivity of 0.09 rad / g at the resonant frequency of 680 Hz .

© 2011 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(130.3120) Integrated optics : Integrated optics devices

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: January 10, 2011
Revised Manuscript: February 28, 2011
Manuscript Accepted: March 3, 2011
Published: May 27, 2011

Feng Peng, Jun Yang, Xingliang Li, Yonggui Yuan, Bing Wu, Ai Zhou, and Libo Yuan, "In-fiber integrated accelerometer," Opt. Lett. 36, 2056-2058 (2011)

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