Rectangular split-ring resonators with single-split and two-splits under different excitations at microwave frequencies

Zahertar, Shahrzad, Yalcinkaya, Arda and Torun, Hamdi (2015) Rectangular split-ring resonators with single-split and two-splits under different excitations at microwave frequencies. AIP Advances, 5 (11). p. 117220. ISSN 2158-3226

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Abstract

In this work, transmission characteristics of rectangular split-ring resonators with single-split and two-splits are analyzed at microwave frequencies. The resonators are coupled with monopole antennas for excitation. The scattering parameters of the devices are investigated under different polarizations of E and H fields. The magnetic resonances induced by E and H fields are identified and the differences in the behavior of the resonators due to orientations of the fields are explained based on simulation and experimental results. The addition of the second split of the device is investigated considering different configurations of the excitation vectors. It is demonstrated that the single-split and the two-splits resonators exhibit identical transmission characteristics for a certain excitation configuration as verified with simulations and experiments. The presented resonators can effectively function as frequency selective media for varying excitation conditions.

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