Shielding of Electromagnetic Radiation by an Artificial Magnetic Conductor Based on an Isotropic Composite Material Consisting of Capacitive Gratings

The characteristics of an artificial magnetic conductor (AMC) based on an anisotropic composite material consisting of capacitive gratings with metal elements in the form of squares or strips, each of which is shifted by one half of a period relative to two neighboring ones, are studied. Analytical...

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Bibliographic Details
Published in:Journal of communications technology & electronics 2022-08, Vol.67 (8), p.930-937
Main Authors: Kazantsev, Yu. N., Kraftmakher, G. A., Mal’tsev, V. P., Solosin, V. S.
Format: Article
Language:English
Subjects:
Anisotropy
Communications Engineering
Composite materials
Conductors
Dipoles
Electric waves
Electrodynamics and Wave Propagation
Electromagnetic radiation
Electromagnetic shielding
Electromagnetic waves
Emitters
Engineering
Isotropic material
Magnetic shielding
Mathematical analysis
Networks
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Summary:The characteristics of an artificial magnetic conductor (AMC) based on an anisotropic composite material consisting of capacitive gratings with metal elements in the form of squares or strips, each of which is shifted by one half of a period relative to two neighboring ones, are studied. Analytical expressions for estimation of the permittivity of the composite material are derived, and the condition for their applicability is formulated and tested with the aid of numerical calculation. It is shown that such an AMC can be used as a small-sized shield with a shielding band of up to 30% when a dipole emitter is located almost on its surface.
ISSN:1064-2269
1555-6557
DOI:10.1134/S1064226922080071