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Raman Distributed Temperature Sensor with High Spatial and Temperature Resolution Using Optimized Graded-Index Few-Mode Fiber over 25 km-long Distance

Yinping Liu, Lin Ma, Chen Yang, Weijun Tong, and Zuyuan He

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Abstract

We propose Raman distributed temperature sensor with high spatial and temperature resolution using optimized graded-index few-mode fiber. In experiment, we achieved a 1-°C temperature resolution with negligible degradation on spatial resolution over 25 km-long distance.

© 2018 The Author(s)

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