Miniature Optical Fiber Sensor Based on Polypyrrole for Detection of VOCs

被引：0
|
作者：
Lin, Yunfeng [1 ,2 ]
Dong, Xinyong [1 ]
Yang, Jing [1 ]
Chan, Hongxiu [3 ]
Zu, Peng [2 ]
So, Ping Lam [4 ]
Chan, Chi Chiu [3 ]
机构：
[1] China Jiliang Uinvers, Inst Optoelect Technol, Hangzhou 310038, Zhejiang, Peoples R China
[2] Nanyang Technol Univ, Energy Res Inst, Singapore 637457, Singapore
[3] Nanyang Technol Univ, Sch Chem & Biomed Engn, Singapore 637457, Singapore
[4] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore
来源：
2017 16TH INTERNATIONAL CONFERENCE ON OPTICAL COMMUNICATIONS & NETWORKS (ICOCN 2017) | 2017年
基金：
中国国家自然科学基金;
关键词：
Optical fiber sensor; polypyrrole; volatile organic compounds; Fabry-Perot interferometer;
D O I：
暂无
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 volatile organic compounds (VOCs) sensor based on intrinsic Fabry-Perot interferometer (IFPI) coated with polypyrrole thin film was proposed and experimentally demonstrated. The IFPI consists a section of hollow-core fiber (HCF) sandwiched between two single mode fiber. The polypyrrole is formed chemically via interfacial polymerization technique and coated directly onto the fiber. As the isopropanol vapor got absorbed by the film, the reflection spectrum of IFPI changes due to the refractive index (RI) variation of the film. The proposed sensor achieves a sensitivity of 0.0423 dB/ppm with a wide concentration range of isopropanol vapor from 65 to 455 ppm.
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页数：3
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