Fig. 11

The far-field pattern of 10 \(\times\) 10 metasurface array when VO₂ is in lossy state at (a) 3.4 THz, (b) 6.2 THz, (c) 9.9 THz, (g) 13.3 THz, (h) 16.8 THz and when VO₂ is in metallic state at (d) 3.4 THz, (e) 6.2 THz, (f) 9.9 THz, (i) 13.3 THz, (j) 16.8 THz;