32 km distributed temperature sensor based on Brillouin loss in an optical fibre

X. Bao, David J. Webb, David A. Jackson

Research output: Contribution to journalArticle

Abstract

We present a novel distributed temperature sensor that uses the temperature dependence of the frequency at which the loss is maximized in the interaction between a cw laser and a pulsed laser. With a 32-km sensing length, a temperature resolution of 1°C has been achieved; it is also shown that a spatial resolution of 5 m may be obtained.
Original languageEnglish
Pages (from-to)1561-1563
Number of pages3
JournalOptics Letters
Volume18
Issue number18
DOIs
Publication statusPublished - 15 Sep 1993

Fingerprint

temperature sensors
pulsed lasers
spatial resolution
optical fibers
temperature dependence
lasers
interactions
temperature

Bibliographical note

© 1993 The Optical Society. This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-18-18-1561. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

Keywords

  • distributed temperature sensor
  • temperature dependence

Cite this

Bao, X. ; Webb, David J. ; Jackson, David A. / 32 km distributed temperature sensor based on Brillouin loss in an optical fibre. In: Optics Letters. 1993 ; Vol. 18, No. 18. pp. 1561-1563.
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32 km distributed temperature sensor based on Brillouin loss in an optical fibre. / Bao, X.; Webb, David J.; Jackson, David A.

In: Optics Letters, Vol. 18, No. 18, 15.09.1993, p. 1561-1563.

Research output: Contribution to journalArticle

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