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相关实验视频

Updated: Jul 10, 2025

Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing
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基于电磁诱导透明度的中红外气体传感器在合的等离子共振器中.

Sarah Shafaay1, Sherif Mohamed1, Mohamed Swillam1

  • 1Department of Physics, School of Sciences and Engineering, The American University in Cairo, New Cairo 11835, Egypt.

Sensors (Basel, Switzerland)
|November 25, 2023
PubMed
概括

这项研究引入了一种新的CMOS兼容的等离子传感器,用于中红外应用. 该传感器在气体检测方面表现出高灵敏度和选择性,为先进的传感技术铺平了道路.

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科学领域:

  • 光子学和等离子学.
  • 材料科学 材料科学 材料科学
  • 传感器技术 传感器技术

背景情况:

  • 在化中的表面等离子极子子 (SPPs) 能够在传感,成像和光子学中实现新的应用.
  • 兼容CMOS的制造对于将等离子体设备集成到现有技术中至关重要.

研究的目的:

  • 提出和研究一个CMOS兼容的化等离子体传感器.
  • 为了证明可调节的等离子体共振在中红外区域.
  • 评估传感器检测气体 (甲和乙) 的性能.

主要方法:

  • 使用在5 × 10^20厘米^-3度的剂传感器的制造.
  • 使用合的金属绝缘体金属 (MIM) 环共振器.
  • 描述等离子体模式配置,曲损失和共振转移.
  • 测量传感器对甲和乙的灵敏度和选择性.

主要成果:

  • 在中红外区域实现了表面等离子体共振.
  • 通过控制载体密度来证明可调节的共振.
  • 在7.7μm波长获得7539.9nm/RIU的灵敏度.
  • 在气体传感方面获得6732的功绩 (FOM).

结论:

  • 拟议的等离子传感器为中红外气体传感提供了高灵敏度和选择性.
  • 结合环共振器可以提高传感性能,从而导致更小的FWHM和更高的灵敏度.
  • 传感器的CMOS兼容性和性能使其适用于高级调制和传感应用.
关键词:
结合环共振器的共振器添加的被添加剂.中红外光谱范围的中红外光谱范围.这些光学传感器是光学传感器.塑模式 塑模式

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