A Laguerre-based FDTD method for wave propagation in 2-D anisotropic dispersive materials

IEICE Electronics Express

Yao Ma¹  Li-Yuan Su¹  Shu-Wen Chen³  Feng Lu²  Yan-Tao Duan¹ 

[1] National Key Laboratory on Electromagnetic Environmental Effects and Electro-optical Engineering, PLA University of Science and Technology;Jiangsu Regulatory Bureau of Nuclear and Radiation Safety;School of Mathematics and Information Technology, Jiangsu Second Normal University

关键词: Laguerre;    FDTD;    anisotropic;    dispersive;   

DOI  :  10.1587/elex.12.20151003

学科分类：电子、光学、磁材料

来源: Denshi Jouhou Tsuushin Gakkai

【 摘 要 】

References(22)A Laguerre-based finite-difference time-domain (FDTD) method for two dimensional anisotropic dispersive materials is proposed in this paper. Taking advantage of the property of Laguerre polynomials, the nth derivative of field components in Laguerre domain is deduced. The four elements of the tensor permittivityof the 2-D anisotropic dispersive media can be unified into a general form in frequency domain. Then the general relationship between electric fields and electric flux densities can be derived in Laguerre domain. Using spatial interpolation of transition and central difference scheme, the formulations are obtained. Two examples of wave propagation in anisotropic magnetized plasma are used to validate the efficiency of the proposed method.

【 授权许可】

Unknown