Measurement + Control (Jul 2001)

Brillouin and Rayleigh Signal Discrimination by Means of a π-Phase-Shifted Bragg Grating for Distributed Temperature Sensing

  • C. Boulet,
  • D. J. Webb,
  • D. A. Jackson,
  • M. Douay,
  • P. Niay

DOI
https://doi.org/10.1177/002029400103400602
Journal volume & issue
Vol. 34

Abstract

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We report a novel technique to separate Brillouin and Rayleigh scattered light in order to generate the Landau-Placzek ratio required for distributed temperature sensing.