S波段和C波段应用的双波段超材料吸收器

2023 3rd International Conference on Advances in Computing, Communication, Embedded and Secure Systems (ACCESS) Pub Date : 2023-05-18 DOI:10.1109/ACCESS57397.2023.10200132

Athul Parameswaran, R. O

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引用次数: 0

摘要

本文介绍了一种低频双波段超材料吸收体的设计。所提出的吸收器的单元格包含3个六边形分裂环谐振器，四个捕波器环绕在一个圆形环形谐振器中。在ANSYS HFSS中对尺寸为32mm × 32mm的单胞进行了建模和仿真。为了提高吸收能力，所提出的结构提供了完整的金属衬底。仿真结果表明，在2.4 GHz (ISM频段)和5.3 GHz(卫星频段)频率下均能实现完全吸收。在介电常数为4.4，损耗正切值为0.02的FR4_epoxy基板上模拟了超材料单元。利用S参数反演方法研究了该结构的超材料特性，发现其在2.4GHz具有完美的双负行为。

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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Dual Band Metamaterial Absorber For S And C Band Applications

This paper describes the design of a low frequency dual band metamaterial absorber. The unit cell of the proposed absorber contains 3 hexagonal split ring resonators with four wave trappers encircled in a circular ring resonator. The modelling and simulation of the unit cell with a dimension of 32mm X 32mm are carried out in ANSYS HFSS. For enhancing the absorption capability, complete metal backing is provided for the proposed structure. On simulation, perfect absorption is achieved at 2.4 GHz (ISM band) and 5.3 GHz (satellite band) frequencies. The metamaterial element is modelled on FR4_epoxy substrate with a dielectric constant of 4.4 and loss tangent of 0.02. The metamaterial properties of the proposed structure are investigated using S- parameter retrieval method and found to have perfect double negative behavior at 2.4GHz.

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2023 3rd International Conference on Advances in Computing, Communication, Embedded and Secure Systems (ACCESS)

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