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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 5 — Feb. 28, 2011
  • pp: 4444–4457

Optimization of long-range BOTDA sensors with high resolution using first-order bi-directional Raman amplification

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


Optics Express, Vol. 19, Issue 5, pp. 4444-4457 (2011)
http://dx.doi.org/10.1364/OE.19.004444


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Abstract

In this paper we perform an optimization of Brillouin optical time-domain analysis (BOTDA) sensors for achieving high resolution over long sensing ranges using distributed Raman amplification. By employing an optimized first-order bi-directional Raman amplification scheme and combining high-power fiber-Raman lasers and Fabry-Pérot lasers with low relative-intensity-noise (RIN), we demonstrate distributed sensing over 120 km of standard single-mode fiber with 2 meter spatial resolution and with a strain/temperature accuracy of 45με/2.1°C respectively.

© 2011 OSA

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

ToC Category:
Sensors

History
Original Manuscript: December 8, 2010
Revised Manuscript: January 20, 2011
Manuscript Accepted: January 20, 2011
Published: February 23, 2011

Citation
Marcelo A. Soto, Gabriele Bolognini, and Fabrizio Di Pasquale, "Optimization of long-range BOTDA sensors with high resolution using first-order bi-directional Raman amplification," Opt. Express 19, 4444-4457 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-5-4444


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