V-Shaped Long-Period Fiber Grating High-Sensitive Bending Vector Sensor

Yanxin Zhang,Weigang Zhang,Tieyi Yan,Li-Jian Bie,Yunshan Zhang,Song Wang,Ling-Xin Kong,Xuexue Kang,Lin Yu,Pengcheng Geng

IEEE Photonics Technology Letters（2018）

引用 21|浏览4

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摘要

A novel V-shaped grating grid with a composite structure comprised of two oppositely tilted tracks is firstly proposed, which can provide both asymmetry and high refractive index modulation (RIM) to support the bending vector sensing. A long-period fiber grating formed by the V-shaped grids is fabricated with a high-frequency-CO2 laser on a single-mode fiber, and it provides different responses of...

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关键词

Optical fiber sensors,Optical fibers,Fiber gratings,Modulation,Lasers

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