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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 14 — Jul. 7, 2008
  • pp: 10240–10247

Distributed optical fiber vibration sensor based on spectrum analysis of Polarization-OTDR system

Ziyi Zhang and Xiaoyi Bao  »View Author Affiliations

Optics Express, Vol. 16, Issue 14, pp. 10240-10247 (2008)

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A fully distributed optical fiber vibration sensor is demonstrated based on spectrum analysis of Polarization-OTDR system. Without performing any data averaging, vibration disturbances up to 5 kHz is successfully demonstrated in a 1km fiber link with 10m spatial resolution. The FFT is performed at each spatial resolution; the relation of the disturbance at each frequency component versus location allows detection of multiple events simultaneously with different and the same frequency components.

© 2008 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.7280) Instrumentation, measurement, and metrology : Vibration analysis
(260.5430) Physical optics : Polarization
(280.1350) Remote sensing and sensors : Backscattering

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: May 16, 2008
Revised Manuscript: June 24, 2008
Manuscript Accepted: June 24, 2008
Published: June 26, 2008

Ziyi Zhang and Xiaoyi Bao, "Distributed optical fiber vibration sensor based on spectrum analysis of Polarization-OTDR system," Opt. Express 16, 10240-10247 (2008)

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