Paper
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 +
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.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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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KEYWORDS
Laser scattering

Scattering

Temperature metrology

Signal detection

Heterodyning

Fiber lasers

Mode locking

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