Table 1 Summary of experimentally obtained Q-factors in metasurfaces.
Mechanism | Q | λ (nm) | Material | Light source | Array size (μm2) | Reference |
|---|---|---|---|---|---|---|
SLR | 2340 | 1550 | Au NPs | Supercontinuum | 600 × 600 | This work |
LSPR | <10 | 700 | Au NPs | Tungs.-halogen lamp | 3000 × 3000 | |
SLR | 25 | 930 | Au NPs | Collimated source | 135 × 135 | |
SLR | 30 | 850 | Au NPs | Tungs.-halogen lamp | 3000 × 3000 | |
SLR | 40–60 | 600 | Au NPs | Ellipsometer | 200 × 200 | |
SLR | 60 | 800 | Au NPs | Tungs.-halogen lamp | 35 × 35 | |
SLR | 150 | 764 | Au NPs | Tungs.-halogen lamp | N/A | |
SLR | 230 | 900 | Au NPs | Tungs.-halogen lamp | ~10,000 × 10,000 | |
SLR | 300 | 1500 | Au nanostripes | Tungs.-halogen lamp | 300 × 100 | |
SLR | 330 | 648 | Ag NPs | Tungs.-halogen lamp | 2500 × 2500 | |
SLR | 430 | 860 | Au NPs | Tungs.-halogen lamp | 1000 × 1000 | |
Mirror image | 200 | 5000 | ITO nanorods | Collimated source | N/A | |
EIT | 483 | 1380 | Si | Tungs.-halogen lamp | 225 × 240 | |
Fano resonance | 65 | THz | Al particles | THz laser | 10,000 × 10,000 | |
Fano resonance | 100 | THz | Au Assym. NPs | FTIR | 150 × 150 | |
Fano resonance | 350 | 1000 | Si | N/A | N/A | |
Fano resonance | 600 | 1000 | GaAs | N/A | N/A | |
BIC | 2750 | 825 | GaAs | Laser | 60 × 108 | |
Quasi-BIC | 18,511 | 1588.4 | Si | Laser | 15 × 15 |