迷失模式共振传感器基于无异性几层黑色
Yanting Shen1, Qifeng Zhu1, Zhuo Chen1
1School of Science, Zhejiang University of Science and Technology, Hangzhou 310023, China.
Nanomaterials (Basel, Switzerland)
|May 10, 2024
概括
本研究提出了一种新的理论模型,用于使用黑的损耗模式共振 (LMR) 传感器. 该模型实现了对 TE 和 TM 两种偏光的高灵敏度,增强了无标签检测能力.
科学领域:
- 光电学和光子学的光电子学和光子学.
- 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:
- 传统的表面等离子体共振 (SPR) 传感器在无标签检测方面存在局限性.
- 丢失模式共振 (LMR) 传感器提供了增强的功能,可以通过横向电 (TE) 和横向磁 (TM) 两种偏光激发.
- 在单个LMR模型中,为两个极化实现高传感性能仍然是一个挑战.
研究的目的:
- 介绍一个LMR镜折射率传感器的理论模型.
- 使用MgF2-少数层黑-MgF2配置来增强传感.
- 在LMR传感器设计中探索异性质材料的潜力.
主要方法:
- 为LMR镜折射指数传感器开发一个理论模型.
- 使用MgF2-少数层黑-MgF2分层结构.
- 在TE和TM两种偏光下的传感器性能分析,考虑到黑的异性质性.
主要成果:
- 拟议的模型实现了接近90°RIU-1的角度灵敏度,对于TE和TM两种极化.
- 利用黑的异构性,沿着曲方向 (TE极化) 实现了1.178 × 106 RIU-1的功率 (FOM).
- 沿着扶手椅方向 (TM极化) 实现了1.231 × 104 RIU−1的FOM.
- 为共振条件提供电场分布分析.
结论:
- 该理论模型证明了使用黑等异性质材料的LMR传感器的高传感性能.
- 拟议的配置为克服在LMR传感器中实现双极化灵敏性的局限性提供了一条途径.
- 这项工作为基于异性质材料的LMR传感器的创新应用铺平了道路.
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