Analysis of a Surface Plasmon Resonance Probe Based on Photonic Crystal Fibers for Low Refractive Index Detection

被引：156

作者：

Liu, Chao ^{[1
]}

Yang, Lin ^{[1
]}

Liu, Qiang ^{[1
]}

Wang, Famei ^{[2
]}

Sun, Zhijie ^{[2
]}

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 Univ, Sch Mat Sci & Chem Engn, Harbin 150001, Heilongjiang, 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：

PLASMONICS | 2018年 / 13卷 / 03期

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

Photonic crystal fiber; Surface plasmon resonance; Probe; Finite element method; MICROSTRUCTURED OPTICAL-FIBER; SENSOR;

D O I：

10.1007/s11468-017-0572-7

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A photonic crystal fiber (PCF)-based surface plasmon resonance (SPR) probe with gold nanowires as the plasmonic material is proposed in this work. The coupling characteristics and sensing properties of the probe are numerically investigated by the finite element method. The probe is designed to detect low refractive indices between 1.27 and 1.36. The maximum spectral sensitivity and amplitude sensitivity are 6 x 10(3) nm/RIU and 600 RIU-1 respectively, corresponding to a resolution of 2.8 x 10(-5) RIU for the overall refractive index range. Our analysis shows that the PCF-SPR probe can be used for lower refractive index detection.

引用

页码：779 / 784

页数：6

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