FETD Study of the Wave Propagation in Chiral Metamaterials

FETD Study of the Wave Propagation in Chiral Metamaterials

Year:    2021

Author:    Lei Yang, Fuhao Liu, Wei Yang

Advances in Applied Mathematics and Mechanics, Vol. 13 (2021), Iss. 1 : pp. 191–202

Abstract

In this paper, we propose a finite element time-domain (FETD) method for the Maxwell's equations in chiral metamaterials (CMMs). The time-domain model equations are constructed by the auxiliary differential equations (ADEs) method. The source excitation method entitled total-field and scattered-field (TF/SF) decomposition technique is applied to FETD method for the first time in simulating the propagation of electromagnetic wave in CMMs, based on which a unified ADE-FETD-UPML-TF/SF scheme is proposed to simulate the wave in CMMs. The following properties of CMMs can be observed successfully from the numerical experiments based on our method, i.e., the ability of the polarization rotation, and the negative phase velocity. The amplitude of reflected wave can effectively be controlled by the physical parameters of CMMs.

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Journal Article Details

Publisher Name:    Global Science Press

Language:    English

DOI:    https://doi.org/10.4208/aamm.OA-2020-0165

Advances in Applied Mathematics and Mechanics, Vol. 13 (2021), Iss. 1 : pp. 191–202

Published online:    2021-01

AMS Subject Headings:    Global Science Press

Copyright:    COPYRIGHT: © Global Science Press

Pages:    12

Keywords:    Maxwell's equations finite element time-domain (FETD) chiral metamaterials (CMMs).

Author Details

Lei Yang

Fuhao Liu

Wei Yang