paper 150305045104

Published: 2015-07-09

Mutual Coupling between Parasitic Elements of Split Ring Resonator on Antenna

Dang-Oh Kim,

Dang-Oh Kim

Korea Advanced Institute of Science and Technology, South Korea

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Uooyeol Yoon

Korea Advanced Institute of Science and Technology, Korea

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Proceedings of 2015 Photonics & Electromagnetics Research Symposium, Prague, July 6 - 9，Page(s)1830-1833

Abstract

The parasitic elements on antenna have become an important issue in improving the antenna performance in various wireless devices. These elements are mostly used as radiator and resonator in antenna. However, an investigation of the mutual coupling between parasitic elements is rare to be found in metamaterial resonator antenna studies. From this unusual ap- proach, this paper presents the new mutual coupling structure of parasitic elements with the split ring resonator (SRR) on antenna. The suggested antenna consists of two rectangular SRRs and conventional monopole antenna. These resonators play the role of the parasitic element in antenna. In order to operate these SRRs, linear monopole antenna is used as an active antenna which can provide the time-varying magnetic field with normal direction. In metamaterial tech- nology, a negative effective permeability can be generated at resonant frequency via periodic arrangement of these SRRs which are electrically small LC resonant elements with a high qual- ity factor. Fundamentally, mutual coupling phenomenon has been observed between adjacent resonators, so that the antenna with two resonators has the same effect on parasitic elements, too. In this study, the coupling coefficient between two parasitic element resonators on antenna is obtained from scattering parameter simulation results. On the basis of the electromagnetic field characteristics and the result of antenna parameter, this study will be exquisite from the previous studies of antennas that utilize the SRR.

Citation

Dang-Oh Kim, and Uooyeol Yoon, "Mutual Coupling between Parasitic Elements of Split Ring Resonator on Antenna," Proceedings of 2015 Photonics & Electromagnetics Research Symposium, Prague, July 6 - 9，Page(s)1830-1833

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