Ultrasmall Dual-Band Metamaterial Antennas Based on Asymmetrical Hybrid Resonators

Figure 1

Topology of the conventional mushroom and CSRs-loaded mushroom structures. Perspective of (a) conventional mushroom cell and (b) CSRs-loaded mushroom element; (c) top and bottom view of the CSRs-loaded mushroom unit as well as geometrical dimensions.

(a)

(b)

(c)