Title :
Dispersion analysis of TLM node for modeling general anisotropic and gyromagnetic materials
Author :
Qi Zhang ; Hoefer, W.J.R. ; Jifu Huang ; Ke Wu
Author_Institution :
Dept. of Electr. & Comput. Eng., Victoria Univ., BC, Canada
Abstract :
In this paper the dispersion relation for the three-dimensional TLM condensed node for modeling materials with arbitrary permittivity and permeability tensors is presented, and the dispersion error associated with the TLM model for these media is studied. A full dispersion analysis of the TLM node is performed when modeling sapphire substrates and gyromagnetic material. The study lays the foundation for minimizing the numerical dispersion error when modeling such media.
Keywords :
dispersion (wave); dispersion relations; electromagnetic wave propagation; gyromagnetic effect; magnetic permeability; microstrip lines; permittivity; sapphire; transmission line matrix methods; waveguide theory; 3D TLM condensed node; Al/sub 2/O/sub 3/; anisotropic materials; arbitrary permeability tensor; arbitrary permittivity tensor; dispersion analysis; dispersion error; dispersion relation; gyromagnetic materials; sapphire substrates; three-dimensional TLM node; Anisotropic magnetoresistance; Dielectric substrates; Dispersion; Gyromagnetism; Mathematical model; Permeability; Permittivity; Propagation constant; Tensile stress; Transmission line matrix methods;
Conference_Titel :
Microwave Symposium Digest, 1996., IEEE MTT-S International
Conference_Location :
San Francisco, CA, USA
Print_ISBN :
0-7803-3246-6
DOI :
10.1109/MWSYM.1996.511207
