From rejection to transmission with stacked arrays of split ring resonators

[EN] We report on free space transmission experiments carried out on stacked split ring resonator (SRRs) arrays operating at microwave frequencies. We start from the case of a single frequency selective surface which exhibits a rejection at the SRR resonance frequency. By stacking SRR arrays in the propagation direction, we then show experimentally the possibility to induce a transmission band just below this resonance frequency. Full wave analysis shows the role played by the longitudinal and transverse coupling effects in the electromagnetic properties of such bulk metamaterials, with the appearance of a transmission band resulting from an artificial magnetic activity.The authors acknowledge the assistance of Mr. Antonio Vila in the fabrication of the prototypes. J. C. acknowledges the financial support of MICINN, Spain (Contract numbers: TEC 2007-67239 and Consolider CSD2008-00066) and also USTL (France).Carbonell Olivares, J. (2011). From rejection to transmission with stacked arrays of split ring resonators. Progress In Electromagnetics Research. 112:215-224. https://doi.org/10.2528/PIER1012140221522411