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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 2 — Jan. 15, 2010
  • pp: 259–261

Simplex-coded BOTDA fiber sensor with 1 m spatial resolution over a 50 km range

Marcelo A. Soto, Gabriele Bolognini, Fabrizio Di Pasquale, and Luc Thévenaz  »View Author Affiliations


Optics Letters, Vol. 35, Issue 2, pp. 259-261 (2010)
http://dx.doi.org/10.1364/OL.35.000259


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Abstract

In this Letter, we propose the use of optical pulse coding techniques for long-range distributed sensors based on Brillouin optical time-domain analysis (BOTDA). Compared to conventional BOTDA sensors, optical coding provides a significant sensing-range enhancement, allowing for temperature and strain measurements with 1 m spatial resolution over 50 km of standard single-mode fiber, with an accuracy of 2.2 ° C / 44 μ ε , respectively.

© 2010 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(290.5900) Scattering : Scattering, stimulated Brillouin
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: September 30, 2009
Revised Manuscript: December 4, 2009
Manuscript Accepted: December 12, 2009
Published: January 15, 2010

Citation
Marcelo A. Soto, Gabriele Bolognini, Fabrizio Di Pasquale, and Luc Thévenaz, "Simplex-coded BOTDA fiber sensor with 1 m spatial resolution over a 50 km range," Opt. Lett. 35, 259-261 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-2-259

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