Abstract
A novel magneto-electro-dielectric waveguided metamaterial (MED-WG-MTM) is proposed consisting of electric complementary spiral ring resonators and magnetic embedded Wunderlich line. Based on the control of effective medium parameters, the working mechanism of miniaturization, wide bandwidth, and also dual-band approach by loading MED-WG-MTM cells are investigated in depth. For experimental demonstration, two types of antennas are designed, fabricated, and measured following the established design procedures. For the former, the antenna with MED-WG-MTM loading realizes a miniaturization of 42.53 % and also 10 dB impedance bandwidth of about 3.71 times compared with the conventional antenna. In the latter case, dual-band antenna is researched. The prototype features compact occupying an area of only 0.20λ0 × 0.20λ0 and shows desirable similar radiation patterns. Moreover, both antennas are free of metallic via holes and practical for wireless communication system.
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