We present a long-range distributed temperature sensor based on Raman scattering in single-mode fibre. Using high-extinction pulses, standard telecom components and single-photon avalanche detectors, we demonstrate a 50km sensor with 3m resolution.
© 2012 OSA
C. Antony, J. Hayes, and P. Townsend, "Single-Photon Detector Based Long-Range Fibre-Optic Distributed Temperature Sensor," in Renewable Energy and the Environment Optics and Photonics Congress, OSA Technical Digest (online) (Optical Society of America, 2012), paper ET4D.5.
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