Grapefruit Fiber Filled with Silver Nanowires Surface Plasmon Resonance Sensor in Aqueous Environments

被引：57

作者：

Lu, Ying ^{[1
]}

Hao, Cong-Jing ^{[1
]}

Wu, Bao-Qun ^{[1
]}

Huang, Xiao-Hui ^{[1
]}

Wen, Wu-Qi ^{[1
]}

Fu, Xiang-Yong ^{[1
]}

Yao, Jian-Quan ^{[1
]}

机构：

[1] Tianjin Univ, Coll Precis Instrument & Optoelect Engn, Key Lab Optoelect Informat Technol, Minist Educ, Tianjin 300072, Peoples R China

来源：

SENSORS | 2012年 / 12卷 / 09期

基金：

中国国家自然科学基金;

关键词：

grapefruit photonic crystal fiber; surface plasmon resonance; silver nanowire; nanowire distance and number; PHOTONIC-CRYSTAL FIBER;

D O I：

10.3390/s120912016

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A kind of surface plasmon resonance sensor based on grapefruit photonic crystal fiber (PCF) filled with different numbers of silver nanowires has been studied in this paper. The surface plasmon resonance modes and the sensing properties are investigated comprehensively using the finite element method (FEM). The simulation results show that the intensity sensitivity is related to nanowire numbers and the distance between two nanowires. The optimum value obtained is 2,400 nm/RIU, corresponding to a resolution of 4.51 x 10(-5) RIU with a maximum distance of 2 mu m. To a certain extent, the PCF filled with more nanowires is better than with just one. Furthermore, the air holes of grapefruit PCF are large enough to operate in practice. Moreover, the irregularity of the filled nanowires has no effect on sensitivity, which will be very convenient for the implementation of experiments.

引用

页码：12016 / 12025

页数：10

共 17 条

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