Distributed Temperature Sensing: Review of Technology and Applications

Distributed temperature sensors (DTS) measure temperatures by means of optical fibers. Those optoelectronic devices provide a continuous profile of the temperature distribution along the cable. Initiated in the 1980s, DTS systems have undergone significant improvements in the technology and the appl...

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Bibliographic Details
Published in:IEEE sensors journal 2012-05, Vol.12 (5), p.885-892
Main Authors: Ukil, A., Braendle, H., Krippner, P.
Format: Article
Language:English
Subjects:
Ampacity
anti-Stokes
Brillouin
cable temperature
Cables
Detection
distributed strain
DTS
fiber optic temperature sensing
fire detection
leakage detection
locomotive temperature
Monitoring
Optical fibers
Optoelectronic devices
Power cables
Raman scattering
sag
Smart grid
Stokes
Strain
structural health
Temperature distribution
Temperature measurement
Temperature sensors
transformer hot spot
Windings
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Description
Summary:Distributed temperature sensors (DTS) measure temperatures by means of optical fibers. Those optoelectronic devices provide a continuous profile of the temperature distribution along the cable. Initiated in the 1980s, DTS systems have undergone significant improvements in the technology and the application scenario over the last decades. The main measuring principles are based on detecting the back-scattering of light, e.g., detecting via Rayleigh, Raman, and Brillouin principles. The application domains span from traditional applications in the distributed temperature or strain sensing in the cables, to the latest "smart grid" initiative in the power systems, etc. In this paper, we present comparative reviews of the different DTS technologies, different applications, standard, and upcoming, different manufacturers.
ISSN:1530-437X
1558-1748
DOI:10.1109/JSEN.2011.2162060