Excitation of Plane Waves for FDTD Analysis of Anisotropic Layered Media

被引：6

作者：

Fang, Yun ^{[1
]}

Wu, Liying ^{[1
]}

Zhang, Jian ^{[1
]}

机构：

[1] Harbin Inst Technol, Inst Ultra Precis Optoelect Instrument Engn, Harbin 150001, Peoples R China

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2009年 / 8卷

基金：

中国国家自然科学基金;

关键词：

Anisotropic media; electromagnetic propagation; finite-difference time-domain (FDTD) methods; PROPAGATION TFSF BOUNDARY; INTERFACES; SCATTERING; TM; TE;

D O I：

10.1109/LAWP.2009.2020072

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：

The use of total-field/scattered-field (TF/SF) technique to excite plane waves is extended to anisotropic layered media. A split-field form one-dimensional (1-D) auxiliary finite-difference time-domain (FDTD) method is proposed to generate the incident fields required by total-field/scattered-field technique. The use of split-field technique enables the separate discretization of the field components that propagate in the direction either parallel with or perpendicular to the planar interface during the derivation of 1-D auxiliary FDTD. Simulation results show that maximum leakage errors into the scattered-field region are in the order of -44.6 dB less than the maximum incident field at 30 incidence for a three-layered medium. The method is proved to be effective for the introduction of plane waves for the FDTD analysis of anisotropic layered media.

引用

页码：414 / 417

页数：4

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