A Novel Tunable Triple-Band Left-Handed Metamaterial

<div>Simulated (a) <i>S</i> parameters and (b) the corresponding retrieved real part of the effective permittivity (real (<i>ɛ</i><sub>eff</sub>), black solid line), permeability (real (<i>μ</i><sub>eff</sub>), red dashed-dotted line), and refractive index (real (<i>n</i>), blue dashed-dotted line).</div>

International Journal of Antennas and Propagation

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Figure 5

Figure 5: A Novel Tunable Triple-Band Left-Handed Metamaterial 