A Novel Tunable Triple-Band Left-Handed Metamaterial

Figure 9

Surface current density distribution at the 3 resonant frequencies: (a) 1.745 GHz, (c) 2.169 GHz, and (e) 2.407 GHz when the loaded capacitance is 12 pF and (b) 1.747 GHz, (d) 2.03 GHz, and (f) 2.306 GHz when the loaded capacitance is 15 pF.

(a)

(b)

(c)

(d)

(e)

(f)