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A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response
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高度可扩展的固核抑制合纤维基等离子体折射率传感器.

Mohammad Al Mahfuz, Md Selim Habib

    Optics express
    |January 29, 2025
    PubMed
    概括

    我们开发了一种新的固核纤维传感器,用于超宽范围的折射率 (RI) 检测. 这种等离子体传感器具有高灵敏度和低损耗,可用于环境监测和生物传感.

    科学领域:

    • 光子学和光学传感器
    • 纳米技术纳米技术
    • 材料科学 材料科学 材料科学

    背景情况:

    • 等离子体传感技术的进步需要具有大规模能力和最小信号损失的同时检测.
    • 现有的传感器通常在检测范围和灵敏度方面面临限制.

    研究的目的:

    • 提出和研究一款基于固核纤维的新型折射率 (RI) 传感器.
    • 为了实现超宽的检测范围,具有高灵敏度和低损失.

    主要方法:

    • 利用有限元建模 (FEM) 结合抑制合 (IC) 和表面等离子体共振 (SPR) 传感机制.
    • 在1至1.60的折射率范围内研究了传感性能.
    • 分析了制造容忍度,曲效应和替代的等离子材料.

    主要成果:

    • 在整个RI检测范围中显示了<3dB/cm的低信号损失.
    • 达到3000nm/RIU的峰值波长灵敏度 (WS).
    • 获得了120 RIU-1的功绩数字 (FOM).

    结论:

    • 拟议的传感器提供了超宽的检测范围和高性能,适合实际实施.

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  • 潜在的应用包括在芯片实验室平台上检测空气污染物,生物化学物质和DNA.
  • 这项工作为先进的生物传感技术铺平了道路.