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Metamaterials
11. Metamaterials
Models of dispersive dielectric materials were provided in version 5.0. Now in version 6.0 they have been extended to metamaterials. Metamaterial has electric conductivity Sigma = s [S/m] and magnetic loss SigmaM [W/m] defined analogously as for dielectric isotropic. Its complex permittivity (including series loss) and complex permeability (including series magnetic loss) are given by Debye, Drude or Lorentz dispersion model with user-specified parameters, see Section E 2.5.3. Metamaterials may assume effective negative values of permittivity and permeability in certain frequency ranges. They are then called double-negative or left-handed media, and support backward waves with propagation vector oriented in the opposite direction to the Poynting vector.
Models of dispersive dielectric materials were provided in version 5.0. Now in version 6.0 they have been extended to metamaterials. Metamaterial has electric conductivity Sigma = s [S/m] and magnetic loss SigmaM [W/m] defined analogously as for dielectric isotropic. Its complex permittivity (including series loss) and complex permeability (including series magnetic loss) are given by Debye, Drude or Lorentz dispersion model with user-specified parameters, see Section E 2.5.3. Metamaterials may assume effective negative values of permittivity and permeability in certain frequency ranges. They are then called double-negative or left-handed media, and support backward waves with propagation vector oriented in the opposite direction to the Poynting vector.
SOFTWARE FOR ELECTROMAGNETIC DESIGN
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