Figure 4
From: Flexible controls of scattering clouds using coding metasurfaces

Numerical implementation for the controllable random surface using a low-interference structure.
(a) The structure of the coding particle design. (b) The simulated phases of reflections for the four coding particles from 0.8 to 1.2 THz. (c) The model of the coding pattern M1 built in CST. (d) The numerically simulated scattering pattern for M1.