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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 26 — Dec. 12, 2011
  • pp: B842–B847

Sweep-free distributed Brillouin time-domain analyzer (SF-BOTDA)

Asher Voskoboinik, Omer F. Yilmaz, Alan W. Willner, and Moshe Tur  »View Author Affiliations

Optics Express, Vol. 19, Issue 26, pp. B842-B847 (2011)

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A frequency-sweep-free method for distributed Brillouin sensing is proposed, having the potential for fast dynamic strain measurements. In this reported implementation of the method, multiple probe waves with carefully chosen optical frequencies simultaneously propagate in the fiber against an equal number of sequentially-launched, short pump pulses of matching frequencies, where each of pump-probe pair replaces one sweeping step in the classical BOTDA technique. Experimentally, distributed sensing is demonstrated with a spatial resolution of a few meters.

© 2011 OSA

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.2370) Fiber optics and optical communications : Fiber optics sensors

ToC Category:
Fibers, Fiber Devices, and Amplifiers

Original Manuscript: September 28, 2011
Revised Manuscript: November 17, 2011
Manuscript Accepted: November 21, 2011
Published: December 7, 2011

Virtual Issues
European Conference on Optical Communication 2011 (2011) Optics Express

Asher Voskoboinik, Omer F. Yilmaz, Alan W. Willner, and Moshe Tur, "Sweep-free distributed Brillouin time-domain analyzer (SF-BOTDA)," Opt. Express 19, B842-B847 (2011)

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