 Modeling of artificial isotropic double negative (DNG) media composed by spherical particle lattices embedded in a dielectric matrixI. Kolmakov(1), M. Gashinova(2), O. Vendik(2)
(1)Department of Microelectronics & Radio Engineering, St. Petersburg Electrotechnical
University, Russia,
(2)Department of Electronics, St. Petersburg Electrotechnical University, Russia
Abstract – The periodic composite medium consisting of two lattices of different dielectric spherical particles has been investigated analytically and numerically. It is shown that effective double negative media (DNG) can be realized in the frequency region where resonance of TM mode in the particles of one kind and TE mode in the particles another kind exist simultaneously. Ferroelectric single crystals or ceramic samples with dielectric constant about 1000 can be used as a suitable material for manufacturing the spherical particles. | 
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