Frequency-dependent envelope finite-element time-domain analysis of dispersion materials

被引：8
|
作者：
Rodríguez-Esquerre, VF
Koshiba, M
Hernández-Figueroa, HE
机构：
[1] Hokkaido Univ, Div Media & Network Technol, Sapporo, Hokkaido 0600814, Japan
[2] Univ Estadual Campinas, Sch Elect & Comp Engn, Dept Microwave & Opt, BR-13083970 Campinas, SP, Brazil
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2005年 / 44卷 / 01期
关键词：
dispersive media; finite-element method; time-domain analysis; metamaterials;
D O I：
10.1002/mop.20533
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：
An efficient frequency-dependent finite-element time-domain method for the analysis of dispersive media is presented. The formulation, based on the 2(nd)-order wave equation, includes a slowly-varying envelope approximation (SVEA) and perfectly matched layers (PMLs), and the dispersion effects of the medium are incorporated by an accurate computation of the recursive evaluation of the convolution integral. Numerical examples in microwaves and optical frequencies are given to validate the proposed formulation. (C) 2004 Wiley Periodicals, Inc.
引用
收藏
页码：13 / 16
页数：4
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