A three-dimensional isotropic transmission-line metamaterial topology for free-space excitation

被引：16
|
作者：
Iyer, Ashwin K. [1 ]
Eleftheriades, George V. [1 ]
机构：
[1] Univ Toronto, Dept Elect & Comp Engn, Toronto, ON M5S3G4, Canada
来源：
APPLIED PHYSICS LETTERS | 2008年 / 92卷 / 26期
基金：
加拿大自然科学与工程研究理事会;
关键词：
D O I：
10.1063/1.2953709
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
This work proposes a three-dimensional isotropic transmission-line metamaterial topology for free-space excitation whose negative-refractive-index properties are validated by full-wave simulation. The topology is based on a physical realization of the symmetrical condensed node of transmission-line matrix modeling, but reverses the positions of the inductive and capacitive lumped elements in order to yield an isotropic negative refractive index and good matching to free space. (c) 2008 American Institute of Physics.
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