Table 1.
Performance comparisons of the experimentally reported metadeflectors.
| Characteristics | Disk Mode | Wavelength (nm) | Transmission Efficiency | Deflection Efficiency | Deflection Angle | Ref. |
|---|---|---|---|---|---|---|
| c-Si based circular nanodisk (8 unit cells) | Resonance | 532 | 71% | 67% | 19.27° | 18 |
| poly-Si based square nanoblock (8 unit cells) | Resonance | 1550 | 36% | — | 13.1° | 19 |
| High-index chalcogenide based rectangular meta-atom (8 unit cells) | Resonance | 5200 | 75% | 60% | 15.1° | 22 |
| Liquid crystal based circular nanodisks (6 unit cells) | Resonance | 745 | — | 50% | 12.0° | 23 |
| a-Si based circular nanodisk (8 unit cells) | Resonance | 705 | — | 45% | 10.3° | 30 |
| a-Si based larger supercell (15 unit cells) | Off-resonance | 715 | 83% | 71% | 8.40° | This work |
| a-Si based shorter supercell (8 unit cells) | Off-resonance | 680 | 57% | 43% | 15.50° | This work |
| a-Si based larger supercell (15 unit cells with 3π phase) | Off-resonance | 633 | 43% | 10%, 22% | 8.0° | This work |