Current sensing using a Phase-Sensitive Optical Time Domain Reflectometer: Feasibility study

Optical Fiber Technology(2022)

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摘要
•Fiber optic sensor for electrical current measurement proposed.•Original configuration of FBG-assisted Phase-OTDR, spun fiber and Mach-Zehnder Interferometer designed.•Phase fading problem eliminated.•Bending-induced and FBG-induced linear birefringence on the sensing performance analysed.•Simulation results show feasibility of the method.
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关键词
Current sensing,Phase-otdr,Fiber optic sensor
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