角度不敏感窄带和宽带超材料吸收体的最新进展

IF 1.5 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY
Saptarshi Ghosh, T. T. Nguyen, Sungjoon Lim
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引用次数: 13

摘要

本文介绍了角度不敏感窄带和宽带超材料吸收体的最新进展。最初,描述了一些窄带结构及其吸收机制。还讨论了从现有窄带几何结构概念上导出的带宽增强型吸收器。最后,说明了几种在不同微波频率范围内具有宽吸收带宽的宽带吸收器。所报道的结构主要设计为表现出适用于实际应用的高角度稳定响应。此外,它们的几何形状是四重对称的,从而显示出与偏振无关的特性。在正入射角和斜入射角下对所设计的吸收器进行了实验验证。所报道的结构的角度不敏感、偏振独立性、灵活的吸收带宽(从窄带到宽带)和商业可行性可能使它们成为歧管吸收器应用的潜在候选者。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Recent progress in angle-insensitive narrowband and broadband metamaterial absorbers
Recent progress in angle-insensitive narrowband and broadband metamaterial absorbers is presented herein. Initially, a few narrowband structures are described along with their absorption mechanisms. A bandwidth-enhanced absorber, conceptually derived from the existing narrowband geometry, is also discussed. Finally, several broadband absorbers having wide absorption bandwidths across different microwave frequency ranges are illustrated. The reported structures are primarily designed to exhibit high angularly stable responses suitable for practical applications. Furthermore, their geometries are fourfold symmetric, thereby displaying polarization-independent characteristics. Experimental verifications of the designed absorbers have been confirmed under normal and oblique incidences. The angle insensitivity, polarization independence, flexible absorption bandwidths (from narrowband to broadband), and commercial feasibility of the reported structures might establish them as potential candidates for manifold absorber applications.
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来源期刊
EPJ Applied Metamaterials
EPJ Applied Metamaterials MATERIALS SCIENCE, MULTIDISCIPLINARY-
CiteScore
3.10
自引率
6.20%
发文量
16
审稿时长
8 weeks
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