Перегляд за автором "Kozar, A. I."
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Публікація Electromagnetic lattice "invisibility" of the resonance cubic crystal made of magnetodielectric spheres(O. S. Popov Odesa National Academy of Telecommunications, 2013) Kozar, A. I.A solution and analysis of a problem on phenomenon of electromagnetic lattice "invisibility" og the limited resonance cubic crystal made of spheres are presented. The obtained results may be used when developing the devices wherein stealth technologies are employed.Публікація Electromagnetic lattice "invisibility" of the photon crystal made of magnetodielectric spheres in the form of octahedron(Eskisehir technical university, 2019) Kozar, A. I.Solution and analysis of a problem on electromagnetic lattice “invisibility” of the photon crystal made of magnetodielectric spheres in the form of octahedron with a cubic crystal lattice are presented.Публікація Electromagnetic lattice «invisibility» of the resonance cubic crystal made of magnetodielectric spheres(ХНУРЭ, 2017) Kozar, A. I.Solution and analysis of a problem on electromagnetic lattice «invisibility» of the resonance cubic crystal made of magnetodielectric spheres with a cubic crystal lattice are presentedПублікація Electromagnetic wave scattering by pyramid-shaped photonic crystal from resonant magnetodielectric spheres(Eskisehir Technical University, 2021) Kozar, A. I.The solution of the problem of scattering electromagnetic waves with a discrete convex polyhedron - a pyramid of resonant magnetodielectric spheres based on a complex rhombic crystal lattice is presented.Публікація Electromagnetic Wave scattering in a waveguide containing homogeneous magnetodielectric spheres(New York, N.Y. Begell House, 2003) Kozar, A. I.A solution is suggested for the problem of electromagnetic wave scattering by an arbitrary number of small resonant-size spheres in a rectangular waveguide. Expressions have been derived for the scattered fields.Публікація Electromagnetic Wave scattering with special spatial lattices of magnetodielectric spheres(New York, N.Y. Begell House, 2004) Kozar, A. I.A problem solution of electromagnetic wave scattering with special compound lattices of resonance spheres has been considered, their spatial distribution has been subjected to a geometric progression. Expressions for the scattered fields have been obtained.Публікація Figurate number (arithmetic prigression) and electromagnetic Wave scattering on spatial lattices of resonant magnetodielectric spheres(Begell House, 2003) Kozar, A. I.Considered is the problem of electromagnetic wave scattering on complex spatial lattices of special kind, consisting of resonant-size spheres whose spatial distribution is controlled by figurate numbers. Expressions for the scattered fields are derived.Публікація Resonant Degenerate Crystal Made of Spheres Located in Magnetodielectric Medium(Kharkov national university of radio electronics, 2013) Kozar, A. I.In the paper, a computational method is proposed to analyze phenomena occurring when electromagnetic waves are scattered by a finite resonant crystal with the cubic lattice having small resonant magnetodielectric spheres in its nodes. The method is based on the second kind Fredholm integral equations. Investigated are properties of a resonant degenerate crystal located in magnetodielecrtic environment with positive and negative values of permittivity 0 and permeability 0 . It is shown that media with positive and negative values of permittivity and permeability differently influence on scattering properties of the degenerate resonant crystal. The effect of degeneration canceling, when the permittivity and permeability jump, is found such that coincidence of the lattice resonance and the internal crystal sphere resonance is canceled, and the resonance curves split. Graphic dependences given in the paper numerically define a magnitude of occurring splitting. The influence of an internal resonant crystal cavity size on the scattered field structure in the Fresnel zone is graphically estimated.Публікація Resonant grating of magnetodielectric resonance nanospheres(ХНУРЭ, 2017) Kozar, A. I.he design method, based on integral equations of macroscopic electromagnetics, is proposed for studying the electromagnetic waves scattering by the limited resonance grating, made of small resonance magnetodielectric spheres, located in the magnetodielectric environment. The analytical investigations of fields scattered by the resonance grating are presented.The advancement of nanotechnologies is related with the use of metamaterials whose structure discreteness and associated resonance phenomena are of primary importance. Interaction between electromagnetic radiation and metacrystals at the resonance domain is complicated and insufficiently studied. Methods for electromagnetic simulation of the phenomena in crystal lattices metacrystals are developed in order to help studying them. На основе интегральных уравнений макроскопической электродинамики предложен расчетный метод изучения рассеяния электромагнитных волн ограниченной резонансной решеткой из малых резонансных магнитодиэлектрических сфер, находящейся во внешней магнитодиэлектрической среде. Представлено аналитическое исследование рассеянных полей резонансной решеткой.Публікація Structural function development for electromagnetic interactions in the system of multiple resonant magnetodielectric spheres(Begell House, 2005) Kozar, A. I.An approach to derive structure functions of electromagnetic interactions in the system of multiple resonant magnetodielectric spheres is considered. Expressions for magnitic and electrical-type tensor functions of electromagnetic interactions in the system of spheres are obtained, the expressions for structure functions of magnetic and electric type are analyzed.