Three-core fiber-based temperature-insensitive twist sensor

被引：1
|
作者：
Luo, Weixuan [1 ,2 ]
Chen, Yao [1 ,2 ]
Xiao, Anping [1 ,2 ]
Ling, Qiang [1 ,3 ,4 ]
Zhang, Bin [1 ,2 ]
Luo, Si [1 ,2 ]
Yu, Zhangwei [1 ,2 ]
Zhang, Yusheng [1 ,2 ]
Guan, Zuguang [1 ,2 ]
Chen, Daru [1 ,2 ]
机构：
[1] Zhejiang Normal Univ, Hangzhou Inst Adv Studies, Hangzhou 311231, Peoples R China
[2] Zhejiang Normal Univ, Key Lab Opt Informat Detect & Display Technol Zhej, Jinhua 321004, Peoples R China
[3] Futong Grp Co Ltd, Fuyang, Peoples R China
[4] Zhejiang Univ Technol, Coll Sci, Hangzhou 310023, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2024年 / 554卷
关键词：
Optical fiber sensor; Three-core fiber; Twist sensor; Temperature-insensitive; TORQUE SENSOR; TORSION;
D O I：
10.1016/j.optcom.2023.130229
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We have experimentally proposed an all-fiber temperature-insensitive twist sensor, which is fabricated by splicing a three-core fiber (TCF) section and two parts of single-mode fibers (SMFs). Because of the special structure of TCF, the fundamental core mode and cladding mode can interfere with each other. The experimental results show that the maximum twist sensitivity is-0.250 nm/(rad/m) in the range of 0-50 rad/m, and 0.109 nm/(rad/m) in the range of -50-0 rad/m. The sensor has features of all-fiber structure, low-cost, easy-fabri-cated, and temperature insensitive, which makes it a competitive candidate for harsh environment sensing application.
引用
收藏
页数：6
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