Coherent detection of spontaneous Brillouin scattering for distributed temperature sensing using a Brillouin laser

V. Lecoeuche; David J. Webb; Christopher N. Pannell; David A. Jackson

doi:10.1117/12.318205

13 August 1998 Coherent detection of spontaneous Brillouin scattering for distributed temperature sensing using a Brillouin laser

V. Lecoeuche, David J. Webb, Christopher N. Pannell, David A. Jackson

Author Affiliations +

Proceedings Volume 3555, Optical and Fiber Optic Sensor Systems; (1998) https://doi.org/10.1117/12.318205
Event: Photonics China '98, 1998, Beijing, China

Abstract

Distributed temperature sensors based on Brillouin scattering are attractive because they offer very large sensing length. The intensity of spontaneous Brillouin scattering is directly proportional to the temperature of the fiber, and permits a measurement independent of the strain applied to it. We report on a novel system to detect this signal, incorporating a mode-locked Brillouin fiber ring laser.

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V. Lecoeuche, David J. Webb, Christopher N. Pannell, and David A. Jackson "Coherent detection of spontaneous Brillouin scattering for distributed temperature sensing using a Brillouin laser", Proc. SPIE 3555, Optical and Fiber Optic Sensor Systems, (13 August 1998); https://doi.org/10.1117/12.318205

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