具有高 Q 因子的简单结构多频带太赫兹超材料吸收器

IF 0.6 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materiali in tehnologije Pub Date : 2024-04-03 DOI:10.17222/mit.2023.1040

D. S.

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引用次数: 0

摘要

建立并模拟了一个用于传感应用的太赫兹八/九/十二/十四/十六波段超材料吸收器（MMA）。基板夹在底部接地平面和顶部贴片结构之间。顶部贴片由两个同心圆环形谐振器组成。在 0.8 太赫兹至 1.2 太赫兹的较短频率范围内，通过改变顶部贴片结构的半径，这种结构无需利用堆叠层、多个谐振器或在单个单元格中重叠，即可产生多个多频带。通过将角度值从 0 度移到 90 度，研究了极化和角度不敏感特性。为了了解规划结构的内部机理，还解释了磁场分布、电场分布和表面电流分布图。此外，还确定了 16 波段 MMA 的 Q 因子和全宽半极大值。这种拟议的 MMA 将用于生物传感应用、传感器和无线通信。

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A SIMPLE STRUCTURED MULTIBAND TERAHERTZ METAMATERIAL ABSORBER WITH A HIGH Q FACTOR

A terahertz Eight-/Nine-/Twelve-/Fourteen-/Sixteen-Band Metamaterial Absorber (MMA) for sensing applications is built and simulated. The substrate is sandwiched between the bottom ground plane and the top patch structure of this primitive MMA. The top patch is made up of two concentric circular ring resonators. This structure generates a multiple number of multi bands without utilising stacked layers, multiple resonators, or overlapping in a single unit cell by altering the radius of the top patch structure within the shorter frequency range of 0.8 THz to 1.2 THz. The polarisation and angle insensitivity properties are investigated by shifting the angle values from 0 to 90 degrees. To learn about the inside mechanism of the planned structure, the magnetic field distribution, electric field distribution and surface current distribution plots are explained. For the sixteen-band MMA, the Q-Factor and full width half maximum are also determined. This proposed MMA will be used in biosensing applications, sensors and wireless communications.

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来源期刊

Materiali in tehnologije 工程技术-材料科学：综合

CiteScore

1.30

自引率

0.00%

发文量

审稿时长

4-8 weeks

期刊介绍： The journal MATERIALI IN TEHNOLOGIJE/MATERIALS AND TECHNOLOGY is a scientific journal, devoted to original papers and review scientific papers concerned with the areas of fundamental and applied science and technology. Topics of particular interest include metallic materials, inorganic materials, polymers, vacuum technique and lately nanomaterials.