A Novel Dual-Band Left-Handed Metamaterial Design Method

Figure 4

Retrieved effective (a) permittivity “ɛ,” (b) permeability “μ,” (c) impedance “,” and (d) refractive index “.” The black solid lines refer to the real part of these parameters, while the red dashed lines refer to the imaginary part.

(a)

(b)

(c)

(d)