Simultaneous Measurement of Curvature Vector and Temperature Based on Composite Gratings Inscribed on D-Shaped Fiber

Liang Ma,Yanxin Zhang,Weigang Zhang,Lingxin Kong,Zhe Li,Han Gao,Tao Liao,Jingchuan Zhang,Juntong Ge,Xinlei Zhao,Huizi Ma,Tieyi Yan

IEEE Sensors Journal（2021）

引用 6|浏览10

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摘要

A novel two-parameter fiber sensor has been demonstrated, consisting of D-shaped composite fiber gratings (DCFG) which includes long period fiber grating (LPFG) and fiber Bragg grating (FBG) inscribed on D-shaped fiber. LPFG is inscribed on the side of D-shaped fiber by a high-frequency CO2 laser. On account of the asymmetry of the structure in 90° and 270° and refractive index modulati...

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关键词

Optical fiber sensors,Sensors,Fiber gratings,Sensitivity,Bending,Temperature measurement,Temperature sensors

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