Vector bending sensor based on an edge-core cladding- type fiber Bragg grating

被引：11
|
作者：
Chen, Fengyi [1 ]
Li, Xingyong [1 ]
Bao, Weijia [1 ]
Wang, Ruohui [1 ]
Qiao, Xueguang [1 ]
机构：
[1] Northwest Univ, Sch Phys, Xian 710127, Peoples R China
来源：
OPTICS EXPRESS | 2021年 / 29卷 / 23期
基金：
中国国家自然科学基金;
关键词：
23;
D O I：
10.1364/OE.441761
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A two-dimensional vector bending sensor that is both compact and simple is proposed and demonstrated, based on an edge-core cladding-type fiber Bragg grating (ECLFBG) inscribed in an edge-core. The ECLFBG is written parallel to the edge-core using a femtosecond laser point-by-point technique. The reflection spectrum of this ECLFBG varies significantly depending on the magnitude and direction of the fiber's bend. Combining the trend and sensitivity of the wavelength shift and reflection intensity variations of the ECLFBG, the bending magnitude and direction can be measured simultaneously. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
引用
收藏
页码：38720 / 38727
页数：8
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