Mid-infrared surface plasmon resonance sensor based on photonic crystal fibers

被引:35
|
作者
Liu, Chao [1 ]
Yang, Lin [1 ]
Lu, Xili [2 ]
Liu, Qiang [1 ]
Wang, Famei [2 ]
Lv, Jingwei [1 ]
Sun, Tao [3 ]
Mu, Haiwei [1 ]
Chu, Paul K. [4 ]
机构
[1] Northeast Petr Univ, Sch Elect Sci, Daqing 163318, Peoples R China
[2] Harbin Engn, Sch Mat Sci & Chem Engn, Harbin 150001, Peoples R China
[3] ASTAR, Inst Microelect, Singapore 117685, Singapore
[4] City Univ Hong Kong, Dept Phys & Mat Sci, Tat Chee Ave, Kowloon, Hong Kong, Peoples R China
来源
OPTICS EXPRESS | 2017年 / 25卷 / 13期
基金
中国博士后科学基金; 美国国家科学基金会;
关键词
SIMULATION;
D O I
10.1364/OE.25.014238
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A surface plasmon resonance (SPR) sensor with two open-ring channels based on a photonic crystal fiber (PCF) is described. The sensor is designed to detect low refractive indexes between 1.23 and 1.29 with the operation wavelength in mid-infrared region between 2550 nm and 2900 nm. The coupling characteristics and sensing properties are numerically analyzed by the finite element method. The average spectral sensitivity is 5500 nm/ RIU and a maximum resolution of 7.69 x 10(-6) RIU can be obtained. Our analysis shows that the PCFSPR sensor is suitable for mid-infrared detection. (C) 2017 Optical Society of America
引用
收藏
页码:14227 / 14237
页数:11
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