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Proceedings Paper

Electromagnetic properties of super-lattice in the long wavelength regime
Author(s): Alexei P. Vinogradov; Alexander M. Merzlikin
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Paper Abstract

Is shown that the fulfillment of long-wavelength approximation does not guarantee correct introduction of the effective constitutive parameters and for one-dimensional heterogeneous system if one tries to take into account effects of spatial dispersion (retardation on an elementary layer). Is shown that though in one-dimensional periodic medium the effective wavenumber tends to the well-known Rytov's value as the sample thickness tends to infinity whereas the effective characteristic impedance does not tend to any limit at all, exhibiting periodical behavior. This results in strong dependence of the effective constitutive parameters on sample thickness. The deviation of the finite sample values from Rytov's values may achieve 100 percent even in the long-wavelength limit.

Paper Details

Date Published: 24 June 2002
PDF: 10 pages
Proc. SPIE 4806, Complex Mediums III: Beyond Linear Isotropic Dielectrics, (24 June 2002); doi: 10.1117/12.472999
Show Author Affiliations
Alexei P. Vinogradov, Institute of Theoretical and Applied Electrodynamics (Russia)
Alexander M. Merzlikin, Institute of Theoretical and Applied Electrodynamics (Russia)


Published in SPIE Proceedings Vol. 4806:
Complex Mediums III: Beyond Linear Isotropic Dielectrics
Akhlesh Lakhtakia; Graeme Dewar; Martin W. McCall, Editor(s)

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