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Domain integral representation vs. homogenization methodsfor the analysis of photonic band gaps and absorbers*

Published online by Cambridge University Press:  15 April 1999

H. Roussel  and
W. Tabbara
H. Roussel*
Affiliation:
Département de Recherche en Électromagnétisme (LSS/CNRS-Supélec), Supélec, Plateau de Moulon, 91192 Gif-sur-Yvette, France
W. Tabbara
Affiliation:
Département de Recherche en Électromagnétisme (LSS/CNRS-Supélec), Supélec, Plateau de Moulon, 91192 Gif-sur-Yvette, France
*
[email protected]
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Abstract

The reflectivity of two-dimensional pyramidal absorbers and the transmittance of photonic crystals made of dielectric fibers is analyzed by means of two approaches. In the first one an integral representation of the scattered field is used and the absorbers are modeled by a stack of gratings of infinite extent. In the second approach, the absorbers and the crystal are replaced by an equivalent multilayered medium obtained by means of two homogenization methods. We assess the efficiency of these methods with respect to parameters such as the density of the gratings, their relative permittivity and the polarization of the incident wave.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 6 , Issue 1 , April 1999 , pp. 33 - 39
Copyright
© EDP Sciences, 1999

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Footnotes

*

This paper was presented at the PIERS 98 conference (Progress in Electromagnetics Research Symposium) held at Nantes (France), July 13-17, 1998.

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