Distributed temperature sensor based on Brillouin loss in an optical fibre for transient threshold monitoring

Bao, X.; Webb, David J. and Jackson, David A. (1996). Distributed temperature sensor based on Brillouin loss in an optical fibre for transient threshold monitoring. Canadian journal of physics, 74 (1-2), pp. 1-3.

Abstract

A distributed temperature sensor for transient threshold monitoring with a 22 km sensing length, based on the Brillouin loss in standard communications fibre, is demonstrated. The system can be used for real-time monitoring of a preset temperature threshold. Good S/N ratios were achieved with only 8–16 sample averages giving a response time of 2 to 4 s with a temperature uncertainty of ±1 °C.

Uncontrolled Keywords: distributed temperature sensor, transient threshold monitoring, 22 km sensing length, Brillouin loss, standard communications fibre, real-time monitoring, preset temperature threshold
Published Date: 1996-01

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