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Design of titanium nitride coated PCF-SPR sensor for liquid sensing applications

机译:用于液体传感应用的氮化钛涂层PCF-SPR传感器的设计

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摘要

In this paper, a titanium nitride (TiN) coated highly sensitive PCF-SPR sensor design is proposed and numerically analyzed. Titanium shows the excellent plasmonic properties in the visible and infrared regions and it has low loss and corrosion resistive nature. In this theoretical analysis, we introduce the dependencies of the confinement loss, wavelength sensitivity and amplitude sensitivity to the operating wavelength, thickness of TiN, channel width and refractive index of the measured liquid. For the proposed PCF-SPR sensor design, the high wavelength sensitivity and the refractive index resolution of similar to 10,000 nm/RIU and similar to 2.0x10(-5) has been achieved in the refractive index (RI) range of 1.385-1.40, respectively. Even the proposed design has low amplitude sensitivity, but this proposed sensor will be used in detection of RI of chemicals, biochemical analyte with low concentrations, and highly demand in lab-on-a-chip PCF-SPR sensing probe devices.
机译:本文提出了氮化钛(TiN)涂层的高灵敏度PCF-SPR传感器设计并进行了数值分析。钛在可见光和红外区域显示出优异的等离子体性能,并且具有低损耗和耐腐蚀性能。在此理论分析中,我们介绍了限制损耗,波长灵敏度和幅度灵敏度与工作波长,TiN厚度,通道宽度和被测液体的折射率之间的关系。对于拟议的PCF-SPR传感器设计,已经在1.385-1.40的折射率(RI)范围内实现了类似于10,000 nm / RIU和类似于2.0x10(-5)的高波长灵敏度和折射率分辨率,分别。即使提出的设计也具有低幅度灵敏度,但是提出的传感器将用于检测化学物质的RI,低浓度的生化分析物以及对单芯片实验室PCF-SPR传感探针设备的高要求。

著录项

  • 来源
    《Optical fiber technology》 |2019年第3期|159-164|共6页
  • 作者

    Kaur Veerpal; Singh Surinder;

  • 作者单位

    St Longowal Inst Engn & Technol, Dept Elect & Commun Engn, Sangrur 148106, Punjab, India;

    St Longowal Inst Engn & Technol, Dept Elect & Commun Engn, Sangrur 148106, Punjab, India;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    PCF; Surface plasmon resonance; Sensitivity;

    机译:PCF;表面等离子体共振;敏感性;

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