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

机译:液体传感应用钛氮化钛涂覆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:在本文中,提出了氮化钛(TiN)涂覆高敏感的PCF-SPR传感器设计,并进行了数值分析。钛显示可见光和红外区域的优异等离子体性能,并且它具有低损耗和耐腐蚀性。在该理论分析中,我们介绍了监禁损失,波长灵敏度和幅度灵敏度对所测量的液体的操作波长,锡,通道宽度和折射率的振幅灵敏度的依赖性。对于所提出的PCF-SPR传感器设计,在1.385-1.40的折射率(RI)范围内,已经实现了高波长灵敏度和折射率分辨率和类似于2.0×10(-5)的折射率和2.0×10(-5),分别。即使是所提出的设计也具有低振幅灵敏度,但该提出的传感器将用于检测化学品RI,生化分析物的低浓度,以及在芯片上的实验室PCF-SPR传感探针装置中的高需求。

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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