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基于的双法诺共振光子集成气体传感器

Norhan A Salama^1,2, Shaimaa M Alexeree¹, Salah S A Obayya³

¹Laser Applications in Metrology, Photochemistry and Agriculture, National Institute of Laser Enhanced Sciences, Cairo University, Giza, Egypt.

Scientific reports

|October 22, 2024

概括

这项研究引入了一种新的超表面传感器,用于使用电信波长检测一氧化碳和氧化. 该设备在光子集成电路上的气体传感应用中实现了高灵敏度和选择性.

科学领域:

光子学是一个光子学.
纳米技术纳米技术
化学传感器化学传感器

背景情况:

电信波长对于光子集成电路 (PIC) 来说至关重要.
这些波长内的气体吸收线路使基于PIC的小型气体传感器成为可能.
超表面为开发先进光学设备提供了一个平台.

研究的目的:

介绍一种新超表面设计,采用双法诺共振,用于选择性气体传感.
在1.521.7微米的电信频段内设计Fano共振.
开发一种可用于检测一氧化碳 (CO) 和氧化 (N2O) 的双检测传感器.

主要方法:

在石英基板上设计定期合的纳米盘和纳米波 resonator.
调整几何参数以设计法诺共振.
利用法诺共振来进行二氧化碳和二氧化的折射度检测.

主要成果:

在电信频段内实现了双法诺共振.
开发了一种具有高灵敏度 (1,735 nm/RIU) 和FOM (11,570) 的传感器,用于FR1.1的CO.
在FR2.2.对N2O的被证明灵敏度 (194 nm/RIU) 和FOM (510) 在FR2.2.
在FR1.0下观察到的二氧化碳选择性吸收损失 (6.3%).

结论:

拟议的超表面能够实现高度敏感,选择性和双目标气体传感.
该设计显示了小型化折射计光子集成气体传感器的重大前景.
设计的法诺共振允许精确调整传感能力.

关键词:

这是一个CO气体传感器.双法诺共振的共振是双法诺.超材料是一种超材料.在Metasurfaces上使用.这是一个N2O气体传感器.光学气体传感器的光学气体传感器

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