Physical Limits of Raman Distributed Temperature Sensing - Are We There Yet?

Thomas Lauber, Gregor Cedilnik,Gareth Lees

26th International Conference on Optical Fiber Sensors (2018), paper WF30（2018）

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摘要

Raman DTS systems provide an accurate measurement of temperature along a sensing fiber. This paper presents fundamental limits of measurement range for a DTS whilst providing a practical temperature and spatial resolution for most applications. Advances towards those limits are presented along with DTS measurements at a range of 70 km of fiber.

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