Campos Espectrais em Estruturas com Múltiplas Camadas Anisotrópicas Calculados com Auxílio de Computação Simbólica (Spectral Fields in Anisotropic Planar Multilayer Structures)

Ildefonso Bianchi (ibianchi@ita.br), José Carlos da Silva Lacava (lacava@ita.br)


Instituto Tecnológico de Aeronáutica
This paper appears in: Revista IEEE América Latina

Publication Date: Dec. 2010
Volume: 8,   Issue: 6 
ISSN: 1548-0992


Abstract:
A new systematic procedure for calculating the electromagnetic fields in anisotropic planar multilayer structures is presented. Working in the Fourier domain and utilizing the symbolic computation capability of the Mathematica package, closed-form expressions for the transformed electromagnetic fields are derived in a straightforward, error-free way. Therefore, spectral Green's functions can be determined in compact, closed form, with considerable reduction of the calculation time. Using this new procedure, Green's functions for anisotropic grounded layer and also for biaxial microstrip multilayer structures are derived.

Index Terms:
Spectral fields, symbolic computation, multilayer structures, Green’s functions, anisotropic media.   


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