Fig. 6
From: Electro-optic switching in metamaterial by liquid crystal
Reflection spectra of metasurface liquid crystal cell is shown for negative metasurface possessing reflection resonances. (a) In the absence of an external electric field two reflection spectra are shown for horizontal (red curve) and vertical (black curve) polarized incident lights. (b) In the presence of an external electric field two reflection spectra are shown for horizontal (red curve) and vertical (black curve) polarized incident lights. Transmission spectra of extra-ordinary refraction beam from metasurface liquid crystal cell is shown for negative metasurface possessing phase-discontinuity V-shaped slot antennas. Color code refers to the measurement angles. Off and on of spectra can be seen (c) in the absence and (d) in the presence of an external electric field