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Proceedings Paper

Simultaneous independent distributed strain and temperature measurements over 15 km using spontaneous Brillouin scattering
Author(s): Huai H. Kee; Gareth P. Lees; Trevor P. Newson
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Paper Abstract

Long range simultaneous distributed strain and temperature sensors have many applications for measurements in the power and oil industries and also for structural monitoring. We present an efficient technique to measure both the intensity and frequency shift at every point along the sensitive fiber with a low loss filtering device utilizing two in-fiber Mach-Zehnder interferometers. From these two measurements, it is possible to compute accurately the strain and temperature profile.

Paper Details

Date Published: 31 August 2000
PDF: 9 pages
Proc. SPIE 4074, Applications of Optical Fiber Sensors, (31 August 2000); doi: 10.1117/12.397892
Show Author Affiliations
Huai H. Kee, Univ. of Southampton (United Kingdom)
Gareth P. Lees, Univ. of Southampton (United Kingdom)
Trevor P. Newson, Univ. of Southampton (United Kingdom)

Published in SPIE Proceedings Vol. 4074:
Applications of Optical Fiber Sensors
Alan J. Rogers, Editor(s)

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