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IEEE Transactions on Antennas and Propagation
Volume 47 Number 9, September 1999

Interaction Effects in Two-Dimensional Bianisotropic Arrays

Page 1429.

Abstract:

Electromagnetic excitation of two-dimensional (2-D) arrays of bianisotropic particles by plane waves is considered. Arrays (grids) are assumed to be infinite and the particles to be small compared to the wavelength, so that the dipole approximation is possible. The elecromagnetic interaction between all the particles changes the properties of these particles (in particular, chiral and omega particles are studied). The analytical model under consideration allows to express the electric and magnetic moments induced in each particle through the incident wave fields in terms of collective polarizability dyadics (CPD's). The proposed method to evaluate these dyadics combines numerical and analytical parts. The results of the calculations of the induced electric and magnetic moments by plane waves are presented for a planar arrangement of omega particles.

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