Fig. 3: Numerical calculations for multifunctional coding-beam manipulations at 0.34 THz.
From: Real-time programmable metasurface for terahertz multifunctional wave front engineering
a Nearly continuous beam scanning based on fractional coding. b Multi-beam beam steering with the dual-region coding matrixes C1, C2, and c convolutional coding matrix Ccon. d Diffuse scattering based on the P6-type GRS coding
