Effective medium approach of left-handed material using a dispersive FDTD method

被引：17
|
作者：
Lee, JY [1 ]
Lee, JH
Kim, HS
Kang, NW
Jung, HK
机构：
[1] Seoul Natl Univ, Sch Elect Engn & Comp Sci, Seoul, South Korea
[2] Hongik Univ, Dept Radio Sci & Commun Engn, Seoul 121791, South Korea
[3] Chung Ang Univ, Sch Elect & Elect Engn, Seoul 156756, South Korea
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2005年 / 41卷 / 05期
关键词：
anisotropic perfectly matched layer (APML); dispersive medium; double negative (DNG); finite difference time domain (FDTD); left-handed material (LHM); metamaterial; piecewise linear recursive convolution (PLRC); split ring resonator (SRR);
D O I：
10.1109/TMAG.2005.844566
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：
Left-handed material (LHM) exhibiting negative permittivity and negative permeability in certain band has dispersive medium property varying with frequency. The effective permittivity and permeability function of this material have a similar form of Lorentz material model. Piecewise linear recursive convolution (PLRC) technique for finite difference time domain (FDTD) method is applied to simulate the propagation characteristic of LHM effectively. Modified anisotropic perfectly matched layer (APML) is proposed for absorbing boundary condition of LHM. The simulation results show narrow pass band in the stop band where LHMs have double negative properties.
引用
收藏
页码：1484 / 1487
页数：4
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