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The analysis of a microstrip antenna on a chiral substrate with spatial dispersion


D.S. Klyuev – Dr. Sc. (Phys.-Math.), Associate Professor, Head of Department of Electrodynamics and Antenna, Volga State University of Telecommunications and Informatics (Samara). E-mail: A.M. Nescheret – Post-graduate Student, Volga State University of Telecommunications and Informatics (Samara). E-mail: O.V. Osipov – Dr. Sc. (Phys.-Math.), Associate Professor, Prorector, Volga State University of Telecommunications and Informatics (Samara). E-mail: A.O. Pocheptsov – Post-graduate Student, Volga State University of Telecommunications and Informatics (Samara). E-mail:

The problem of a microstrip antenna located on a chiral media substrate radiation is considered. Chiral metamaterial is formed by a set of thin wire metal helixes, which located at equal distances in a homogeneous dielectric container. The thin wire metal helixes have a random orientation in the container. On a base of equivalent circuit for the considered metamaterial dispersive relations for the effective permittivity and relative chirality parameter are obtained. The helical elements resonance frequency and own left and right circular polarization waves dispersion characteristics are calculated. The radiating structure is a thin perfectly conducting strip excited by EMF harmonic source included in the antenna’s gap. The expressions for the surface admittances matrix elements are obtained. These expressions allow to find the formula relating the electric and magnetic fields with a current density on the antenna’s surface. The microstrip antenna radiation problem solution reduced to a integral equationы for a surface current density on a antenna’s strip.


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