具有独立电磁响应的三角形人工电磁媒质

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具有独立电磁响应的三角形人工电磁媒质

更新时间：2025-07-09

- 具有独立电磁响应的三角形人工电磁媒质
- Issue 2, Pages: 87-91(2011)
- 作者机构：
  
  西安电子科技大学天线与微波技术国防重点实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC： O441.6
- Online First：10 February 2011，
  
  Published：2011
- 稿件说明：
移动端阅览
[J]. 2011, (2): 87-91.
DOI：

[J]. 2011, (2): 87-91. DOI：

摘要

提出了一种同时具有电磁模式响应的人工电磁媒质的综合构成(SC)方法.在介质基板上单面刻蚀的三角形金属开口对环只具有磁响应

即只具有负的磁导率

在介质基板上单面刻蚀的金属线阵列只具有电响应

即只具有负的介电常数

SC方法通过将金属线设计在开口环的中部

将以上两种结构连接起来

从而构成同时具有电磁响应的三角形电磁谐振(TER)单元结构

并通过将TER排成阵列构成新型人工电磁媒质.理论仿真与实验测量结果表明

与传统的金属环加线结构相比

TER单元具有电响应与磁响应的双阻带特性

并且由其构成的双负媒质的左手传输通带带宽比环加线结构的带宽扩展了217%.

Abstract

A synthesis constitution(SC)method of metamaterials which have an electric response and a magnetic response is proposed. The metallic triangular open loop resonators etched on the dielectric board have the magnetic response

i.e.

the negative permeability; and the metallic wire arrays etched on the dielectric board have the electric response

i.e.

the negative permittivity. Through locating the wire in the middle part of the loop and combining the two structures mentioned above

the SC method constitutes the triangular electromagnetic resonator(TER)which simultaneously has the magnetic and the electric responses and composes the novel metamaterials in the TER array form. Both theoretical simulation and experiment measurement prove that compared with the conventional split ring resonator(SRR)and wire structure

TER have the dual stopbands property which corresponds to the electric and magnetic responses. Moreover

the left-handed passband of the double negative metamaterial composed of TER-wire is 217% wider than that of the conventional SRR-wire design.

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