Table 3 Absorption for different design steps.
From: A high-performance ultra-compact plasmonic metamaterial structure for optical THz absorption
Designs | Design 1 | Design 2 | Design 3 | Design 4 | Design 5 (Proposed design) | Design 6 |
|---|---|---|---|---|---|---|
Frequency range for absorption > 90% (THz) | 320–680 | 290–780 | 260–910 | 220–1190 | 180–1500 | 150–1500 |
Bandwidth of operation (THz) | 360 | 490 | 650 | 970 | 1320 | 1350 |
Percentage average absorption in the band of operation (abs) | 80.69 | 84.12 | 88.71 | 94.14 | 97.91 | 97.32 |
Peak absorption frequency point (THz) | 490 | 510 | 530 | 570 | 670 | 840 |