Figure 1
From: Metamaterial study of quasi-three-dimensional bowtie nanoantennas at visible wavelengths

(a) Schematic of quasi-3D bowtie nanoantennas and (b) numerical setup in FDTD models used for the metamaterial slab made of bowtie nanoantennas.
From: Metamaterial study of quasi-three-dimensional bowtie nanoantennas at visible wavelengths
(a) Schematic of quasi-3D bowtie nanoantennas and (b) numerical setup in FDTD models used for the metamaterial slab made of bowtie nanoantennas.