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. 2015 Apr 15;5:9605. doi: 10.1038/srep09605

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(a, c, e, g) The designing and simulation results of the beam deflection: (a) The third metasurface of beam deflection is only made up of “period 1”. (c) The phase-delayed distributions of three periods along x direction for both x- and y-polarized reflected waves (Φ_3x(x) and Φ_3y(x)), in which solid black line is calculationd result and discrete pentacles are simulation results of actual structures. (e) The electric-field distributions of x-polarized reflection waves deflected to (ϕ_3x = 0, θ_3x = 24°). (g) The electric-field distributions of y-polarized reflection waves deflected to (ϕ_3y = 0, θ_3y = 24°), whose reflection phase is the same with that of x-polarized waves. (b, d, f, h) The designing and the simulation results of the linear-to-circular polarization conversion with a deflection angle: (b) The third metasurface of beam deflection is also only made of “period 1”. (d) The phase-delayed distributions of three periods along x direction for both x- and y-polarized reflection waves (Φ_4x(x) and Φ_4y(x)), in which solid black line and dashed blue line are calculation results and discrete pentacles and dots are simulation results of actual structures. (f) The electric-field distributions of x-polarized reflection waves deflected to (ϕ_4x = 0, θ_4x = 24°). (h) The electric-field distributions of y-polarized reflection waves deflected to (ϕ_4y = 0, θ_4y = 24°), whose reflection phase is 90° ahead compared to y-polarized waves.