利用元表面环形共振进行传感和频率选择

IF 2.3 4区物理与天体物理 Q3 PHYSICS, APPLIED

Applied Physics Express Pub Date : 2024-09-15 DOI:10.35848/1882-0786/ad756e

Man Peng, Tianyu Xiang, Tao Lei and Hong Xu

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引用次数: 0

摘要

为了实现 13 GHz 的高 Q 值共振，我们提出并制作了一个双 M 形元表面。数值和实验结果表明，该结构的高 Q 值激励是由强环形偶极子引起的。新颖的环形元表面可用作折射率传感器，灵敏度高达 3.2 GHzRIU-1。此外，双层元表面还能实现带宽为 0.27 GHz 的频率选择。所提出的元表面进一步扩展了环偶极子在传感、频率选择表面等领域的应用。

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Sensing and frequency selecting with toroidal resonance in metasurface

A double M-shaped metasurface is proposed and produced to realize a high Q-factor resonance at 13 GHz. The numerical and experimental results show that the high Q excitation of the structure is caused by the strong toroidal dipole. The novel toroidal metasurface can be a refractive index sensor with a high sensitivity of 3.2 GHzRIU−1. In addition, the double layer metasurface can achieve frequency selection with a bandwidth of 0.27 GHz. The proposed metasurface further extends the application of toroidal dipole in the field of sensing, frequency selective surface and so on.

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来源期刊

Applied Physics Express 物理-物理：应用

CiteScore

4.80

自引率

8.70%

发文量

310

审稿时长

1.2 months

期刊介绍： Applied Physics Express (APEX) is a letters journal devoted solely to rapid dissemination of up-to-date and concise reports on new findings in applied physics. The motto of APEX is high scientific quality and prompt publication. APEX is a sister journal of the Japanese Journal of Applied Physics (JJAP) and is published by IOP Publishing Ltd on behalf of the Japan Society of Applied Physics (JSAP).