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期刊信息
  • 主管单位:
  • 中国科学技术协会
  • 主办单位:
  • 中国仪器仪表学会、上海光学仪器研究所、中国光学学会工程光学专业委员会
  • 主  编:
  • 庄松林
  • 地  址:
  • 上海市军工路516号上海理工大学《光学仪器》编辑部
  • 邮政编码:
  • 200093
  • 联系电话:
  • 021-55270110
  • 电子邮件:
  • gxyq@usst.edu.cn
  • 国际标准刊号:
  • 1005-5630
  • 国内统一刊号:
  • 31-1504/TH
  • 邮发代号:
  • 单  价:
  • 15.00
  • 定  价:
  • 90.00
光纤表面等离子体共振传感器理论仿真研究
Research on theoretical simulation of optical fiber sensors based on surface plasmon resonance
  
DOI:
中文关键词:  表面等离子体共振  光纤  反射率曲线
英文关键词:surface plasmon resonance  optical fiber  reflection curve
基金项目:
作者单位
牟海维 东北石油大学 电子科学学院,黑龙江 大庆163318 
段玉波 东北石油大学 电子科学学院,黑龙江 大庆163318 
张坤 东北石油大学 电子科学学院,黑龙江 大庆163318 
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中文摘要:
      为了考查光纤表面等离子体共振传感器的传感特性,基于单层膜表面Snell反射公式,利用MatLab软件仿真研究光纤表面等离子体共振(SPR)传感器的反射光谱特性,系统考查金膜厚度、待测介质介电常数以及入射到纤芯-金膜界面的入射角对反射光谱特性的影响。仿真结果表明:光纤SPR的共振波长随金膜厚度的增大而增大,随外界介质介电常数的增大而减小;随着入射角的增大,共振吸收峰半峰宽逐渐增大,共振峰处的反射率最小值逐渐变小,传感灵敏度降低。
英文摘要:
      In order to examine the sensing properties of optical fiber sensors based on surface plasmon resonance, the reflective spectral properties of the sensors have been investigated based on Snell reflection formula for single layer thin film by means of MatLab software. The influence of gold film thickness, the permittivity of the external medium and incident angle on the boundary of optical fiber core and cladding on the reflective spectral properties has been systematically studied. The results of the simulation show that the resonance wavelength increases with increasing gold film thickness, and decreasing with increasing permittivity of the external medium. It is also found that the full width half maximum of the resonance absorbing peak increases with increasing the incident angle and the minimums of the reflectivities at resonance peaks gradually decrease, leading to the decrease of the sensitivity.
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