Table 5 S11 for different thicknesses of insulator layer with a 5 nm thick metallic layer.
From: A high-performance ultra-compact plasmonic metamaterial structure for optical THz absorption
Metallic layer thickness (nm) | 6 | 9 | 12 | 15 | 18 |
|---|---|---|---|---|---|
Bandwidth for S11 < -15dB (THz) | 810–1500 | 380–1500 | 290–1130 | 270–840 | 250–670 |
Minimum value of S11 (dB) | -22.8 | -23.3 | -37.4 | -50.32 | -32.37 |
Resonant frequency (THz) | 1500 | 940 | 670 | 470 | 400 |