Homogenization of corrugated interfaces in electromagnetics
Author
Summary, in English
A surface with periodic corrugations of sufficiently small
periodicity is shown to be electromagnetically equivalent to an
inhomogeneous transition region (slab). Explicit expressions for
the inhomogeneous transition region are found for one-dimensional
corrugations and for two-dimensional corrugations a local elliptic
problem has to be solved in order to find the equivalent electromagnetic
properties. The homogenized surface can be characterized by its
surface impedance dyadic or its reflection dyadic. A few numerical
examples illustrate the theory.
periodicity is shown to be electromagnetically equivalent to an
inhomogeneous transition region (slab). Explicit expressions for
the inhomogeneous transition region are found for one-dimensional
corrugations and for two-dimensional corrugations a local elliptic
problem has to be solved in order to find the equivalent electromagnetic
properties. The homogenized surface can be characterized by its
surface impedance dyadic or its reflection dyadic. A few numerical
examples illustrate the theory.
Publishing year
2005
Language
English
Pages
1-31
Publication/Series
Progress in Electromagnetics Research-Pier
Volume
PIER 55
Document type
Journal article
Publisher
EMW Publishing
Topic
- Electrical Engineering, Electronic Engineering, Information Engineering
- Other Electrical Engineering, Electronic Engineering, Information Engineering
Status
Published
Research group
- Electromagnetic theory
ISBN/ISSN/Other
- ISSN: 1070-4698