基于非线性电路的双频带脉冲波选择性超表面吸收器设计

钱莹洁; 刘海宏; 程用志; 罗辉; 陈浮; 李享成

doi:10.12263/DZXB.20230193

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基于非线性电路的双频带脉冲波选择性超表面吸收器设计

学术论文 | 更新时间：2025-12-11

- 基于非线性电路的双频带脉冲波选择性超表面吸收器设计
- Design of a Dual-Band Pulse Wave Selective Metasurface Absorber Based on Nonlinear Circuits
- 电子学报 2024年52卷第6期页码：2067-2073
- 作者机构：
  
  1.武汉科技大学信息科学与工程学院,湖北武汉 430081
  2.武汉科技大学耐火材料与冶金国家重点实验室,湖北武汉 430081
  3.武汉科技大学高温电磁材料与结构教育部重点实验室,湖北武汉 430081
  4.湖北隆中实验室,湖北襄阳 441000
- 作者简介：
  
  [ "钱莹洁女，1997年4月出生于安徽省铜陵市.现为武汉科技大学信息科学与工程学院硕士研究生.主要研究方向为电磁超表面吸波器.E-mail: 850576766@qq.com" ]
  [ "刘海宏男，2000年4月生于湖北省襄阳市.现为武汉科技大学硕士研究生.主要研究方向为电磁超材料滤波器.E-mail: 1106832161@qq.com" ]
  [ "程用志男，1984年5月出生.现为武汉科技大学信息科学与工程学院教授、硕士生导师.研究方向为微波技术与天线、超表面/超材料电磁波调控技术与应用等. E-mail: chengyz@wust.edu.cn" ]
- 基金信息：
  
  国家自然科学基金(52304410;51972242);湖北省自然科学基金创新群体项目(2020CFA038);湖北省重点研发项目(2020BAA028);湖北省重大项目(2023BAA003);湖北省青年拔尖人才培养计划
- DOI：10.12263/DZXB.20230193
  中图分类号： TN95;TB34
- 收稿：2023-03-03，
  
  修回：2023-10-07，
  
  纸质出版：2024-06-25
- 稿件说明：
移动端阅览
钱莹洁, 刘海宏, 程用志, 等. 基于非线性电路的双频带脉冲波选择性超表面吸收器设计[J]. 电子学报, 2024, 52(06): 2067-2073.

QIAN Ying-jie, LIU Hai-hong, CHENG Yong-zhi, et al. Design of a Dual-Band Pulse Wave Selective Metasurface Absorber Based on Nonlinear Circuits[J]. Acta Electronica Sinica, 2024, 52(06): 2067-2073.
钱莹洁, 刘海宏, 程用志, 等. 基于非线性电路的双频带脉冲波选择性超表面吸收器设计[J]. 电子学报, 2024, 52(06): 2067-2073. DOI：10.12263/DZXB.20230193

QIAN Ying-jie, LIU Hai-hong, CHENG Yong-zhi, et al. Design of a Dual-Band Pulse Wave Selective Metasurface Absorber Based on Nonlinear Circuits[J]. Acta Electronica Sinica, 2024, 52(06): 2067-2073. DOI：10.12263/DZXB.20230193

摘要

本文提出一种基于非线性电路的双频带脉冲波形选择性超表面吸波器（MetaSurface Absorber，MSA）.设计的双频带MSA单元结构由放置在同一平面上两个形状相同但线宽不同且集成二极管与电阻电容并联的非线性电路的金属方环形谐振器、中间介质层以及金属接地面构成.仿真结果表明，在－20~10 dBm功率范围内，双频带MSA随功率的增加对短脉冲波吸收率先增大再减小.当功率为－5 dBm时，设计的双频带MSA对脉冲波吸收率在3.2 GHz和4.1 GHz分别可达97%和92%，连续波吸收率只有28%和39%.另外，MSA吸收率随脉冲宽度的增大逐渐减小.进一步研究表明，该双频带MSA在功率为－5 dBm的TE模和TM模脉冲波，斜入射角为0°~60°范围内吸收率超过70%.还研究了非线性电路中电阻、电容参数对设计的MSA脉冲波和连续波吸收率的影响.本文所提出的双频带脉冲波选择性MSA显示了其在无线通信以及抗电磁干扰领域具有潜在的应用前景.

Abstract

In this paper

a dual-band metasurface absorber (MSA) based on nonlinear circuits that can selectively absorb pulse wave in the same frequencies is proposed. The unit-cell of the designed dual-band MSA consists of two metal square-ring shaped resonators with the same shape but different wire width

the middle dielectric layer and the metal ground plane. The simulation results show that the absorptance of the dual-band MSA increases firstly and then decreases with the increase of the input power at －20~10 dBm. When the power is at －5 dBm

the absorptance of the designed dual-band MSA of the pulse wave reaches 97% and 92% at 3.2 GHz and 4.1 GHz

respectively

and that of the continuous wave is only 28% and 39%. In addition

the absorptance of the MSA decreases with the increase of pulse width. Further

simulated results indicate that the dual-band MSA can absorb more than 70% of pulse wave with an input power of －5 dBm at a wide incident angle of 0°~60° for both TE and TM mode. The effects of resistance

capacitance on the absorptance of the nonlinear circuit MSA for the incident pulse and continuous wave are also studied. The proposed dual-band waveform selective MSA shows a potential prospect in the fields of wireless communication and anti-electromagnetic interference.

关键词

Keywords

references

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