Fig. 2
From: Efficient Polarization Beam Splitter Based on All-Dielectric Metasurface in Visible Region
Design of the metasurface. a Transmission and b phase response as a function of width w and length Ly at a wavelength of 583 nm. c One unit of metasurface for y-polarized incidence. d Transmission and phase response of the periodic nanoblocks with widths of 70 nm as a function of the length Ly. e The design procedure of the proposed polarization beam splitter metasurface (vertical view). Here, we sort the units from left to right as unit1, unit 2, unit 3, and unit 4