Resonance reflection properties of dipole grids near ideally conducting planes

Pavel A. Belov; Sergei A. Tretyakov

doi:10.1117/12.432938

9 July 2001 Resonance reflection properties of dipole grids near ideally conducting planes

Pavel A. Belov, Sergei A. Tretyakov

Author Affiliations +

Proceedings Volume 4467, Complex Mediums II: Beyond Linear Isotropic Dielectrics; (2001) https://doi.org/10.1117/12.432938
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

Recently, much attention has been paid to novel thin artificial impedance surfaces. For applications it is important that the thickness of the layer is as small as possible. One possible realization is based on the use of quasi-bulk cells, so that the resonance is achieved in thin layers due to concentration of the fields in equivalent capacitances and inductances. However, the geometry of these layers is quite complicated (3D cells), and it is not possible to increase the surface inductance keeping the thickness small. Another possible cause for resonance response can be near reactive fields generated at inhomogeneities or cracks. In this paper we investigate a doubly periodic array of small resonant scatterers positioned close to an ideally conducting plane. It is shown, that such a structure at the frequencies near the resonance acquires a very high impedance and behaves as magnetic screen.

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Pavel A. Belov and Sergei A. Tretyakov "Resonance reflection properties of dipole grids near ideally conducting planes", Proc. SPIE 4467, Complex Mediums II: Beyond Linear Isotropic Dielectrics, (9 July 2001); https://doi.org/10.1117/12.432938

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