Technical aspects of optical fibre distributed temperature sensing

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doi:10.1049/ic:19970294

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Distributed Temperature Sensing Using Raman Scattering1

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2007

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“…Distributed fibre optical temperature sensing (DTS) was first demonstrated in 1981 at Southampton University by testing a telecommunication cable. The original device used special fibres, which resulted in limited temperature range and covered distance, but good response time and spatial resolution [ 15 ].…”

Section: Distributed Temperature Sensing Using Raman Scatteringmentioning

confidence: 99%

Applications of fibre optic temperature measurement

Hoffmann¹,

Müller²,

Krämer³

et al. 2007

Estonian Journal of Engineering

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Temperature measurement is crucial for many industrial processes and monitoring tasks. Most of these measurement tasks can be carried out using conventional electric temperature sensors, but with limitations. Particularly under harsh conditions, fibre optic temperature sensors show their advantages over conventional instrumentation. Three common principles of fibre optic temperature measurement are exemplarily examined: fibre Bragg gratings, Raman scattering and interferometric point sensors. Their working principles along with recent findings and applications of the sensing concepts are presented. So far their application is still limited to niche markets but with decreasing system prices fibre optic temperature sensing has great potential for further growth.

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Section: Distributed Temperature Sensing Using Raman Scatteringmentioning

confidence: 99%