An optical fiber strain sensor by using of taper based TCF structure

Chuanbiao Zhang,Tigang Ning,Jingjing Zheng,Jian Xu,Xuekai Gao,Heng Lin,Jing Li,Li Pei

Optics & Laser Technology（2019）

引用 28|浏览7

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摘要

•A compact in-fiber strain sensor based on twin-core fiber.•A new taper pulling technique.•The proposed device had a maximum interferometric extinction ratio up to 20 dB.•High strain sensitivity about 6.11 pm/με.•Low temperature sensitivity about 0.69 pm/°C.

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关键词

Fiber optical sensor,Fiber design and fabrication,Twin-core fiber

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