Fiber Optic Sensor Based on Polarization-Dependent Absorption of Graphene

被引：0
|
作者：
Ding, Liyun [1 ]
Xu, Chuang [1 ]
Xia, Zhilin [2 ]
Xu, Bing [1 ]
Huang, Jun [1 ]
机构：
[1] Wuhan Univ Technol, Natl Engn Lab Fiber Opt Sensing Technol, Wuhan 430070, Hubei, Peoples R China
[2] Wuhan Univ Technol, Sch Mat Sci & Engn, Wuhan 430070, Hubei, Peoples R China
来源：
2017 25TH INTERNATIONAL CONFERENCE ON OPTICAL FIBER SENSORS (OFS) | 2017年 / 10323卷
基金：
中国国家自然科学基金;
关键词：
Fiber optic sensor; Graphene; Polarization-dependent absorption; PLASMONICS; DEVICES;
D O I：
10.1117/12.2265323
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：
Graphene has been reported to show polarization-dependent optical absorption in the visible spectral range, that it shows more absorption for s-polarized light than p-polarized light. We study further on it and demonstrate that this unique property can be utilized to design a fiber optic sensor, which works in a similar way of surface plasmon resonance (SPR) fiber optic sensor. However, they are based on different mechanisms. Numerical simulation reveals that graphene layer of 5 nm is appropriate for the fiber optic sensor to achieve its best sensing performance, with a high sensitivity from 1700 to 6900 nm/RIU (refractive index unit).
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页数：4
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