Optical modal interferometer fiber strain sensor based on waist-enlarge fusion splicing

被引：4
|
作者：
Xiong, Mengling [1 ]
Gong, Huaping [1 ]
Wang, Zhiping [1 ]
Zhao, Chun-Liu [1 ]
Dong, Xinyong [1 ]
机构：
[1] China Jiliang Univ, Inst Optoelect Technol, Xiasha Higher Educ Zone, Xueyuan St, Hangzhou 310018, Zhejiang, Peoples R China
来源：
OPTIK | 2016年 / 127卷 / 17期
关键词：
Polarization maintaining fiber; Waist-enlarge; Modal interferometer; Strain sensor; PHOTONIC-CRYSTAL-FIBER; MACH-ZEHNDER INTERFEROMETER; FABRY-PEROT INTERFEROMETERS; TEMPERATURE;
D O I：
10.1016/j.ijleo.2016.05.012
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A novel strain sensor based on all-fiber modal interferometer is presented and experimentally demonstrated. It is formed by splicing a section of polarization-maintaining fiber (PMF) between two waist-enlarge fusion tapers. When the strain increased from 0 mu e to 1764 mu e, the sensitivities of sensors with lengths of 34 mm, 40 mm and 47 mm are 1.36 pm/mu e, -1.22 pm/mu e, -1.06 pm/mu e, respectively. The absolute value of sensitivity will increase with the decrease of the length. The temperature response of the sensor is also discussed. The sensor has merits of simple fabrication, low cost, and good, robustness. (C) 2016 Elsevier GmbH. All rights reserved.
引用
收藏
页码：6862 / 6866
页数：5
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