Temperature Sensor Based on Modal Interference in Hollow-Core Photonic Bandgap Fiber With Collapse Splicing

被引：13
|
作者：
Gong, Huaping [1 ]
Chan, Chi Chiu [2 ]
Zhang, Yifan [2 ]
Wong, Weichang [2 ]
Dong, Xinyong [1 ]
机构：
[1] China Jiliang Univ, Inst Optoelect Technol, Hangzhou 310018, Zhejiang, Peoples R China
[2] Nanyang Technol Univ, Div Bioengn, Sch Chem & Biomed Engn, Singapore 637457, Singapore
来源：
IEEE SENSORS JOURNAL | 2012年 / 12卷 / 05期
关键词：
Modal interference; optical fiber sensor; photonic bandgap fiber (PBGF); temperature sensor; STRAIN; SENSITIVITY;
D O I：
10.1109/JSEN.2011.2171481
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 temperature sensor based on modal interference in a hollow-core photonic bandgap fiber (HC-PBGF) is presented. The modal interferometer is fabricated by splicing the two ends of a 12-mm HC-PBGF to the standard single-mode fibers. The airholes in the core and cladding of the HC-PBGF are completely collapsed during the fusion splicing, and the length of the collapsed area of about 300 mu m is observed. The transmission spectra under different temperatures are measured. The sensitivity of 31.8 pm/degrees C is achieved in the range of 25 degrees C-60 degrees C. The influence of the length of HC-PBGF on the sensitivity is also investigated.
引用
收藏
页码：1421 / 1424
页数：4
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