Combined distributed temperature and strain sensor based on Brillouin loss in an optical fiber

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

Research output: Contribution to journalArticle

Abstract

We present a novel distributed sensor that utilizes the temperature and strain dependence of the frequency at which the Brillouin loss is maximized in the interaction between a cw laser and a pulsed laser. With a 22-km sensing length, a strain resolution of 20 µ? and a temperature resolution of 2°C have been achieved with a spatial resolution of 5 m.
Original languageEnglish
Pages (from-to)141-143
Number of pages3
JournalOptics Letters
Volume19
Issue number2
DOIs
Publication statusPublished - 15 Jan 1994

Fingerprint

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

Bibliographical note

© 1994 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-19-2-141. 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 sensor
  • temperature and strain dependence
  • frequency
  • Brillouin loss

Cite this

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abstract = "We present a novel distributed sensor that utilizes the temperature and strain dependence of the frequency at which the Brillouin loss is maximized in the interaction between a cw laser and a pulsed laser. With a 22-km sensing length, a strain resolution of 20 µ? and a temperature resolution of 2°C have been achieved with a spatial resolution of 5 m.",
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Combined distributed temperature and strain sensor based on Brillouin loss in an optical fiber. / Bao, X.; Webb, David J.; Jackson, David A.

In: Optics Letters, Vol. 19, No. 2, 15.01.1994, p. 141-143.

Research output: Contribution to journalArticle

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