Figure 8
From: Millimeter wave negative refractive index metamaterial antenna array

Extracted constitutive effective parameters of unit cell (a) Effective permittivity, (b) Effective permeability, (c) Effective refractive index.
From: Millimeter wave negative refractive index metamaterial antenna array

Extracted constitutive effective parameters of unit cell (a) Effective permittivity, (b) Effective permeability, (c) Effective refractive index.