用于成像和电磁干扰屏蔽的多波段偏振不敏感超薄太赫兹超材料吸收器

IF 0.8 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC Advanced Electromagnetics Pub Date : 2021-11-12 DOI:10.7716/aem.v10i3.1759

G. Saxena, Y. Khanna, Yogendra Kumar Awasthi, P. Jain

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引用次数: 1

摘要

本文设计了一种多波段偏振不敏感的超材料吸收器，用于太赫兹成像和电磁干扰屏蔽。提出了一种独特的具有三个环形谐振腔的椭圆形结构，其单元尺寸为of36×36×19.6μm3。在5.58、7.98 ~ 8.84、11.45THz频率下，多波段MMA吸光度分别为98.57%、90%和99.85%。随入射角和偏振角的变化，回波损耗基本相同。因此，发现了这种具有宽极化不敏感范围的超材料吸收体，它也适用于量子雷达成像、能量收集和光电子器件。

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Multi-Band Polarization Insensitive Ultra-Thin THz Metamaterial Absorber for Imaging and EMI Shielding Applications

this article, a multi-band polarization-insensitive metamaterial absorber is designed for THz imaging and EMI shielding. A unique oval-shaped structure with three circular ring-shaped resonators is proposed with a unit cell dimension of36×36×19.6μm3. The absorbance of the proposed multiband MMA is 98.57%, 90%and 99.85% at 5.58, 7.98-8.84, 11.45THz frequency respectively. Return loss is nearly the same for the changing incident and polarization angle. Therefore, this metamaterial absorber with a wide range of polarization insensitivity is found and it is also suitable for quantum RADAR Imaging, energy harvesting, and optoelectronic devices.

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来源期刊

Advanced Electromagnetics ENGINEERING, ELECTRICAL & ELECTRONIC-

CiteScore

2.40

自引率

12.50%

发文量

审稿时长

10 weeks

期刊介绍： Advanced Electromagnetics, is electronic peer-reviewed open access journal that publishes original research articles as well as review articles in all areas of electromagnetic science and engineering. The aim of the journal is to become a premier open access source of high quality research that spans the entire broad field of electromagnetics from classic to quantum electrodynamics.