Wave properties of computational TLM models of metamaterials with negative refractive index

被引：0

作者：

Hoefer, WJR ^{[1
]}

Du, HL ^{[1
]}

So, PPM ^{[1
]}

机构：

[1] Univ Victoria, Dept Elect & Comp Engn, Computat Electromagnet Res Lab, Victoria, BC V8W 3P6, Canada

来源：

INTERNATIONAL JOURNAL OF NUMERICAL MODELLING-ELECTRONIC NETWORKS DEVICES AND FIELDS | 2006年 / 19卷 / 02期

关键词：

metamaterials; artificial dielectrics; backward waves; left-handed media (LHM); TLM method; inter-cell scattering procedure; negative permittivity; negative permeability; negative refractive index; dispersion properties; periodic structures;

D O I：

10.1002/jnm.603

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We derive and compare the wave properties of transmission-line-based negative refractive index metamaterials and their transmission line matrix (TLM) models. The TLM networks are computational replica of reactively loaded periodic structures that support backward waves and constitute artificial media with negative refractive index. After a brief review of the TLM algorithms for three types of nodes, namely the 2D Shunt Node, the 3D Expanded (or Distributed) Node, and the 3D Symmetrical Condensed Node, we formulate and solve the general dispersion equations in 2D and 3D metamaterials based on these nodes. We compare the results with the dispersion properties of both idealized homogeneous metamaterials and of L-C loaded periodic transmission line structures that have the same cell size as their computational TLM counterparts. Copyright (c) 2006 John Wiley & Sons, Ltd.

引用

页码：119 / 139

页数：21

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