Metamaterial homogenization: extraction of effective constitutive parameters

Chris Fietz; Gennady Shvets

doi:10.1117/12.827031

1 September 2009 Metamaterial homogenization: extraction of effective constitutive parameters

Chris Fietz, Gennady Shvets

Proceedings Volume 7392, Metamaterials: Fundamentals and Applications II; 73920L (2009) https://doi.org/10.1117/12.827031
Event: SPIE NanoScience + Engineering, 2009, San Diego, California, United States

Abstract

We present a numerical algorithm for extracting all 36 linear constitutive parameters of a metamaterial crystal as a function of frequency and wavenumber based on driving a metamaterial with electric and magnetic charge and current. We demonstrate how spatial dispersion can result in bianisotropy in a centrosymmetric crystal. Several tests are performed on a 2D metamaterial crystal to validate these "current driven" constitutive parameters. Finally, we show how our method can be used to study spatial dispersion by studying constitutive parameters for small k.

Citation Download Citation

Chris Fietz and Gennady Shvets "Metamaterial homogenization: extraction of effective constitutive parameters", Proc. SPIE 7392, Metamaterials: Fundamentals and Applications II, 73920L (1 September 2009); https://doi.org/10.1117/12.827031

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