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Exact and asymptotic dispersion relations for homogenization of stratified media with two phases

På svenska

Author

Summary, in English

Using exact dispersion relations for electromagnetic wave propagation in layered,

periodic media, consisting of two phases, we derive explicit asymptotic

solutions for small wavenumbers. These solutions are compared to the numerical

solutions of the exact dispersion relations, and applications to homogenization

problems are discussed. The results can be used as test cases

for homogenization techniques intended for finite scale homogenization, that

is, where the wavelength is not assumed infinitely large compared to the microscale.

Publishing year

2005

Language

English

Publication/Series

Technical Report LUTEDX/(TEAT-7133)/1-11/(2005)

Document type

Report

Publisher

[Publisher information missing]

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Status

Published

Report number

TEAT-7133

Research group

  • Electromagnetic theory