Spectral response and far-field pattern of a dipole nano-antenna on metamaterial substrates having near-zero and negative indices of refraction
Article
Dipole antennas; Frequency response; Interfaces (materials); Metamaterial antennas; Metamaterials; Nanoantennas; Refraction; Refractive index; Substrates; Wave propagation; Analytical functions; Effective permittivity and permeabilities; Far-field patterns; Index of refraction; Near field to far field transformations; Optical nano antennas; Resonant wavelengths; Spectral response; Directional patterns (antenna)