Table 4 S11 for different thicknesses of metallic layer with 12 nm thick insulator layer.
From: A high-performance ultra-compact plasmonic metamaterial structure for optical THz absorption
Metallic layer thickness (nm) | 3 | 5 | 7 | 9 | 11 |
|---|---|---|---|---|---|
Bandwidth for S11 < -15 dB (THz) | 330–1010 | 290–1130 | 270–1200 | 260–1190 | 260–1100 |
Minimum value of S11 (dB) | -23.52 | -37.4 | -30.74 | -27.81 | -30.2 |
Resonant frequency (THz) | 640 | 670 | 650 | 460 | 430 |