基于银纳米线的类熊猫型微结构光纤传感器

周城

doi:10.3788/fgxb20123310.1120

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基于银纳米线的类熊猫型微结构光纤传感器

器件制备及器件物理 | 更新时间：2020-08-12

- 基于银纳米线的类熊猫型微结构光纤传感器
- Research of A Near-panda Micro-structured Optical Fiber Sensor Based on Silver Nanowires
- 发光学报 2012年33卷第10期页码：1120-1126
- 作者机构：
  
  1. 北京交通大学理学院北京,100044
  2. 济南大学物理科学与技术学院,山东济南,250022
- 作者简介：
- 基金信息：
  
  山东省教育厅科研项目(J08LI01)资助项目()
- DOI：10.3788/fgxb20123310.1120
  中图分类号： O436
- 纸质出版日期：2012-10-10，
  
  收稿日期：2012-7-17，
  
  修回日期：2012-8-9，
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周城. 基于银纳米线的类熊猫型微结构光纤传感器[J]. 发光学报, 2012,(10): 1120-1126

ZHOU Cheng. Research of A Near-panda Micro-structured Optical Fiber Sensor Based on Silver Nanowires[J]. Chinese Journal of Luminescence, 2012,(10): 1120-1126
周城. 基于银纳米线的类熊猫型微结构光纤传感器[J]. 发光学报, 2012,(10): 1120-1126 DOI： 10.3788/fgxb20123310.1120.

ZHOU Cheng. Research of A Near-panda Micro-structured Optical Fiber Sensor Based on Silver Nanowires[J]. Chinese Journal of Luminescence, 2012,(10): 1120-1126 DOI： 10.3788/fgxb20123310.1120.

摘要

设计了基于银纳米线等离子体共振效应的大孔径微流通道的类熊猫型微结构光纤传感器

采用全矢量有限元法对该传感器进行了数值研究

讨论了待测液折射率等参数对光纤传感器的损耗和灵敏度的影响。结果表明:随着待测液折射率和银纳米线直径的增大

损耗和光谱峰值

peak

都将增大;并且当银纳米线的直径增加到一定程度时

损耗和灵敏度都会呈现多峰值现象。最后取银纳米线直径

=150nm

得到最大幅度灵敏度为910dB/RIU

最大光谱灵敏度为1400nm/RIU。

Abstract

A large-microfluidic-channels

near-panda micro-structured optical fiber (MOF) sensor is designed by silver nanowires localized surface plasmon resonance.Optical field distribution of the fiber at a certain wavelength is calculated and simulated using the finite element method (FEM) under the boundary condition of anisotropic perfectly matched layer (PML).The effects of the refractive index

diameters of silver nanowires on the confined loss and the sensitivity are discussed

respectively.The results show that both the confined loss and the spectral peak wavelength increase when the refractive index of analyte increases.The confined loss

the spectral peak wavelength

the change in the spectral peak wavelength and the sensitivity increase with the diameters of silver nanowires.Furthermore

the double spectral peak wavelength will emerge when the diameters of silver nanowires increases to a certain size.At last

the maximum amplitude sensitivity 910 dB/RIU and the maximum spectral sensitivity 1 400 nm/RIU are obtained when the diameters of silver nanowires is equal to 150 nm.

关键词

纤维与波导光学微孔光纤表面等离子体共振光纤传感折射率

Keywords

fiber and waveguide opticsmicrostructure fibersurface plasmon resonanceoptical fiber sensorrefractive index

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