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

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Abstract

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.

© 2018 The Author(s)

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