100km Optical Chirp Chain BOTDA with Spatial Resolution of 4m

Guangzhe Wu,Bozhong Li,Ying Wang,Can Li, Li Deng,Xiaomeng Xia,He Lu,Wei Jin, Qian Wang,Fuwen Bai,Chao Ma,Xinyan Zhou,Hanlin Lei,Chao Hu,Liwei Huang,Liyan Zhang,Biao Shui,Hongyan Zhou,Jun Wu

2022 ASIA COMMUNICATIONS AND PHOTONICS CONFERENCE, ACP（2022）

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摘要

We proposed OCC-BOTDA using pattern recognition algorithm and differential pulse-width pair technique, which can improve the spatial resolution and sensing range effectively. A spatial resolution of 4m is achieved with a fiber length of 100km.

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关键词

Fiber optics sensors,Distributed optical fiber sensing,Non-linear optics,Stimulated Brillouin scattering,Fibers

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