Accurate solution of the volume integral equation for high-permittivity scatterers

被引：101

作者：

Kottmann, JP ^{[1
]}

Martin, OJF ^{[1
]}

机构：

[1] ETH Zentrum, ETZ, Swiss Fed Inst Technol, Electromagnet Fields & Microwave Elect Lab, CH-8092 Zurich, Switzerland

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2000年 / 48卷 / 11期

关键词：

electromagnetic (EW) scattering; finite-element methods; Green's function; moment methods; plasmons; regularization; resonance; singular value decomposition;

D O I：

10.1109/8.900229

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 present a formalism based on the method of moment to solve the volume integral equation using tetrahedral (3-D) and triangular (2-D) elements. We introduce a regularization scheme to handle the strong singularity of the Green's tensor. This regularization scheme is extended to neighboring elements, which dramatically improves the accuracy and the convergence of the technique. Scattering by high-permittivity scatterers, like semiconductors, can be accurately computed. Furthermore, plasmon-polariton resonances in dispersive materials can also be reproduced.

引用

页码：1719 / 1726

页数：8

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