Highly sensitive and temperature-compensated fiber bending sensing based on directional resonance coupling in photonic crystal fibers

被引：5

作者：

Liu, Hai ^{[1
]}

Wang, Haoran ^{[1
]}

Chen, Cancan ^{[1
]}

Zhang, Wen ^{[1
]}

Zhang, Sheng ^{[1
]}

Wang, Qing ^{[1
]}

Ding, Yi ^{[1
]}

机构：

[1] China Univ Min & Technol, Sch Informat & Control Engn, Xuzhou 221116, Jiangsu, Peoples R China

来源：

OPTICAL FIBER TECHNOLOGY | 2019年 / 47卷

基金：

中国国家自然科学基金;

关键词：

Bending sensor; Photonic crystal fiber; Directional resonance coupling; SENSOR; PCF; PERFORMANCE;

D O I：

10.1016/j.yofte.2018.12.001

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A highly sensitive bending sensor with temperature-compensation based on magnetic fluids (MF) infiltrated photonic crystal fiber (PCF) is presented. Specific cladding air-holes are filled with MF material to form defective channels and introduce new degrees of freedom for fiber sensing. The structure designed in such way can achieve simultaneous measurement of bend-curvature and bend-direction with temperature compensation. The bending sensitivity can reach to -6.544 nm/m(-1) with a high linearity within the range of curvature from -10 m(-1) to 10 m(-1). The proposed two-dimensional (2D) bending vector sensor cannot only improve the sensing precision and measurement range, but also reduce the metrical difficulty and simplify the process.

引用

页码：164 / 171

页数：8

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