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Distributed Temperature Sensing Using Stimulated-Brillouin-Scattering-Based Slow Light
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
2013 (English)In: IEEE Photonics Journal, ISSN 1943-0655, Vol. 5, no 6, 6648635- p.Article in journal (Refereed) Published
Abstract [en]

Distributed temperature sensing has been achieved by spatially resolved measurement of the probe time delay resulted from stimulated-Brillouin-scattering slow light. The temperature of a particular fiber section can be monitored by setting an appropriate relative delay between the pump and probe pulses. By controlling the relative delay, we have achieved distributed profiling of the temperature along the whole sensing fiber. This scheme provides an alternative way for distributed temperature sensing with the potential of real-time temperature monitoring. A relatively high-temperature resolution of 0.7 degrees C is obtained.

Place, publisher, year, edition, pages
2013. Vol. 5, no 6, 6648635- p.
Keyword [en]
Distributed temperature sensing, stimulated Brillouin scattering, slow light
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-140156DOI: 10.1109/JPHOT.2013.2287557ISI: 000328737800027Scopus ID: 2-s2.0-84890933352OAI: oai:DiVA.org:kth-140156DiVA: diva2:689513
Note

QC 20140122

Available from: 2014-01-21 Created: 2014-01-17 Last updated: 2014-02-26Bibliographically approved

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