Optical theorem and forward scattering sum rule for periodic structures

Mats Gustafsson, Iman Vakili, Sena Esen Bayer Keskin, Daniel Sjöberg, Christer Larsson

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskriftPeer review

58 Nedladdningar (Pure)


Abstract in Undetermined
Based on energy conservation, an optical theorem is constructed for a slab having an arbitrary periodic microstructure in a plane. A sum rule for low pass structures is derived using analytic properties of Herglotz functions based on causality and passivity. The sum rule relates the total cross section to the static polarizability per unit cell, and quantifies the interaction between the slab and electromagnetic fields possible over all wavelengths. The results are illustrated with several numerical and experimental examples.
Sidor (från-till)3818-3826
TidskriftIEEE Transactions on Antennas and Propagation
StatusPublished - 2012

Ämnesklassifikation (UKÄ)

  • Elektroteknik och elektronik


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