一种具有极宽带吸收的三维电阻性超材料

2019 Cross Strait Quad-Regional Radio Science and Wireless Technology Conference (CSQRWC) Pub Date : 2019-07-01 DOI:10.1109/CSQRWC.2019.8799237

Aixia Wang, Shao-bo Qu, Binke Wang, Gai-ping Zhang, Cuilian Xu, Hui-li Dai

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引用次数: 2

摘要

采用三层夹心结构设计了一种三维宽带典型超材料吸收体(3D BMA)，其介质层和顶部电阻膜层垂直置于底部金属板上。对其吸收性能进行了优化研究。数值计算结果表明，在8.3 ~ 40ghz范围内，三维BMA的吸收率在90%以上。当入射角在0°~ 60°范围内变化时，8.2 ~ 25ghz范围内吸收率均在90%以上，除了在21.2GHz和22.5GHz分别出现45°和60°角度的两次下降。因此，这可能为制造宽带超材料吸收剂提供一个独特的指导方针。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A Three-dimensional Resistive Metamaterial with Extremely Broadband Absorption

A three-dimensional broadband typical meta-material absorber (3D BMA) is designed through a three-layer sandwich structure in which the dielectric layer and the top resistive film layer stand upright on the bottom metallic plate. Its absorption performance is optimized and studied. Numerical results show that the absorption of the 3D BMA is more than 90% in the range of 8.3-40GHz under normal incidence. When the incident angle changes from 0° to 60°, the absorption is more than 90% in the range of 8.2-25GHz , except for two dips at 21.2GHz and 22.5GHz with the angles of 45° and 60°, respectively. Thus, this may provide a distinct guideline for fabricating broadband metamaterial absorbers.

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来源期刊

2019 Cross Strait Quad-Regional Radio Science and Wireless Technology Conference (CSQRWC)

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