Optical theorem and forward scattering sum rule for periodic structures

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

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Sammanfattning

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 extinction 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.
Originalspråkengelska
Förlag[Publisher information missing]
Antal sidor17
VolymTEAT-7213
StatusPublished - 2011

Publikationsserier

NamnTechnical Report LUTEDX/(TEAT-7213)/1-17/(2011)
VolymTEAT-7213

Bibliografisk information

Published version: IEEE Transactions on Antennas and Propagation, Vol. 60, No. 8, pp. 3818-3826, 2012.

Ämnesklassifikation (UKÄ)

  • Elektroteknik och elektronik

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