Fig. 3
From: Design of a five peak tunnable metasurface for terahertz biological detection with vanadium dioxide

Simulated reflection coefficient in five frequencies (a) 3.4 THz, (b) 6.2 THz, (c) 9.9 THz, (d) 13.3 THz, (e) 16.8 THz with different struture parameter t.