基于空心交叉谐振腔和固体交叉谐振腔的单峰调节广角双波段超材料吸收体

IF 0.9 4区物理与天体物理 Q4 PHYSICS, APPLIED

European Physical Journal-applied Physics Pub Date : 2020-09-01 DOI:10.1051/epjap/2020200145

Yibo Tang, Longhui He, Jianming Xu, Hailang He, Yuhan Li, Anfeng Liu

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引用次数: 2

摘要

提出并举例说明了一种单峰调节广角吸收的双频微波超材料吸收体。所设计的超材料吸收器由空心交叉谐振腔、固体交叉谐振腔、介质衬底和金属背景面组成。在8.42 GHz和11.31 GHz处获得了99.92%和99.55%的强吸收峰系数，与实验结果基本一致。利用表面电流密度和材料性能的变化来说明吸收机理。更重要的是，所提出的双波段超材料吸收器具有单吸收峰可调的特性，并且可以在宽入射角下对横向电(TE)波和横向磁(TM)波都有良好的工作。研究结果可为实现单峰调节广角双波段超材料吸收体提供和丰富指导性指导。

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Single-peak-regulation and wide-angle dual-band metamaterial absorber based on hollow-cross and solid-cross resonators

A dual-band microwave metamaterial absorber with single-peak regulation and wide-angle absorption has been proposed and illustrated. The designed metamaterial absorber is consisted of hollow-cross resonators, solid-cross resonators, dielectric substrate and metallic background plane. Strong absorption peak coefficients of 99.92% and 99.55% are achieved at 8.42 and 11.31 GHz, respectively, which is basically consistent with the experimental results. Surface current density and changing material properties are employed to illustrate the absorptive mechanism. More importantly, the proposed dual-band metamaterial absorber has the adjustable property of single absorption peak and could operate well at wide incidence angles for both transverse electric (TE) and transverse magnetic (TM) waves. Research results could provide and enrich instructive guidances for realizing a single-peak-regulation and wide-angle dual-band metamaterial absorber.

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来源期刊

European Physical Journal-applied Physics 物理-物理：应用

CiteScore

1.90

自引率

10.00%

发文量

审稿时长

1.9 months

期刊介绍： EPJ AP an international journal devoted to the promotion of the recent progresses in all fields of applied physics. The articles published in EPJ AP span the whole spectrum of applied physics research.