Ultra-thin and light-weight spoof surface plasmon polariton coupler achieved by broadside coupled split ring resonators Project supported by the National Natural Science Foundation of China (Grant Nos. 61331005, 61471388, and 61501503). |
(color online) BC-SRRs and equivalent circuits: (a) single layer BC-SRR, (b) multilayer BC-SRRs, (c) equivalent circuit for single BC-SRR, and (d) equivalent circuit for multilayer BC-SRRs. |