Fabrication and sensing characterization of an S-tapered fiber probe

被引：4
|
作者：
Wang, Guanjun [1 ,2 ]
Li, Zhuang [2 ]
Wang, Jun [2 ]
Shen, Jian [1 ,2 ]
Zhang, Meiqin [3 ]
Huang, Mengxing [1 ,2 ]
机构：
[1] Hainan Univ, State Key Lab Marine Resource Utilizat South Chin, Haikou 570228, Hainan, Peoples R China
[2] Hainan Univ, Coll Informat & Commun Engn, Haikou 570228, Hainan, Peoples R China
[3] North Univ China, Coll Informat & Commun Engn, Taiyuan 030051, Shanxi, Peoples R China
来源：
AIP ADVANCES | 2020年 / 10卷 / 07期
基金：
中国国家自然科学基金;
关键词：
MACH-ZEHNDER INTERFEROMETER; REFRACTIVE-INDEX; STRAIN SENSOR; GRAPHENE;
D O I：
10.1063/5.0005456
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
This paper presents and analyzes S-tapered fiber probe structures. Cutting a conventional S-tapered fiber and coating its ends with gold film forms a highly reliable reflective layer. We acquire the reflection spectrum and use it to determine the refractive index (RI) sensitivity of this structure for various RIs and temperatures. The experimental results suggest that this S-tapered fiber probe structure has a maximum RI sensitivity of 1441 nm/RI unit in the RI range of 1.336-1.340 and a temperature sensitivity of about 0.7537 nm/degrees C. In addition, we analyze in detail the mechanism responsible for these high sensitivities.
引用
收藏
页数：7
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