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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 7, Iss. 3 — Mar. 1, 2009
  • pp: 186–187

Localization theory of distributed fiber vibration sensor

Weimin Chen, Yuanyuan Xie, Peng Zhang, and Lei Lin  »View Author Affiliations


Chinese Optics Letters, Vol. 7, Issue 3, pp. 186-187 (2009)


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Abstract

Based on Sagnac interferometer, a simple distributed optical fiber sensing system with sub-loop is presented to monitor the vibration applied on the sensing fiber. By introducing a sub-loop, three output beams of interference with different delay time are gotten. Location of the vibration is analyzed through mathematical-physical equations. The vibration frequency, amplitude, and location are theoretically simulated. The results agree well with the previous experiments.

© 2009 Chinese Optics Letters

OCIS Codes
(040.0040) Detectors : Detectors
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(140.3510) Lasers and laser optics : Lasers, fiber
(250.0250) Optoelectronics : Optoelectronics

Citation
Weimin Chen, Yuanyuan Xie, Peng Zhang, and Lei Lin, "Localization theory of distributed fiber vibration sensor," Chin. Opt. Lett. 7, 186-187 (2009)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-7-3-186


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