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Current issue   Ukr. J. Phys. 2016, Vol. 61, N 1, p.44-49
https://doi.org/10.15407/ujpe61.01.0044    Paper

Chornyi V.S., Skripka S.L., Nechyporuk O.Y.

Faculty of Radiophysics, Electronics, and Computer Systems, Taras Shevchenko National University of Kyiv
(4g, Glushkova Ave., Kyiv 03680, Ukraine; e-mail: volodumur88@volia.ua)

Frequency Response of Split-Ring Resonators at Different Types of Excitations in Ka-Band

Section: Solid Matter
Original Author's Text: English

Abstract: The frequency response of split-ring resonators (SRRs) at different types of excitations in the Ka-band has been investigated. The constructive parameters of SRRs are obtained from the electromagnetic simulation. Two unilateral and two bilateral samples of SRRs are experimentally investigated at the magnetic or electric excitation and a combination of both types of excitation. In order to get the widest resonance band, it is necessary to use a combination of magnetic and electric excitations. The resulting resonance width is 10 GHz. It is demonstrated that bilateral structures, despite the theoretical assumptions, may get a residual electric resonance. Since the depth of the resonance is less than -6 dB, it can be neglected, but the influence of combining two excitations must be taken into account.

Key words: split-ring resonator, Ka-band, metamaterial, cross-polarization effect.

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