Fast Analysis of Metasurfaces Composed of Asymmetric Scatterers Using FDTD With Anisotropic Surface Susceptibility Model

被引：4
|
作者：
Jia, Xiao [1 ]
Yang, Fan [2 ]
Li, Maokun [2 ]
Xu, Shenheng [2 ]
机构：
[1] Beijing Jiaotong Univ, Sch Elect & Informat Engn, Beijing 100044, Peoples R China
[2] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2023年 / 22卷 / 01期
关键词：
Mathematical models; Metasurfaces; Time-domain analysis; Finite difference methods; Finite element analysis; Scattering; Surface waves; Anisotropic; cross-polarization; finite-difference time domain (FDTD); generalized sheet transition conditions (GSTCs); metasurface; surface susceptibilities;
D O I：
10.1109/LAWP.2022.3204430
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 finite-difference time-domain (FDTD) method with surface susceptibility model (SSM) had been developed to accelerate metasurfaces analysis before. However, the previous work is confined to symmetric scattering elements. This letter thus generalizes the FDTD-SSM algorithm to analyze metasurfaces composed of asymmetric scattering elements. We first classify the problem and then derive and present the corresponding FDTD-SSM equations. The validity and efficiency of the proposed FDTD-SSM algorithms are demonstrated through numerical experiments.
引用
收藏
页码：119 / 123
页数：5
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