Table 2.
Error analysis of the proposed metalens by ± 10% error of nanostructure radius.
| Incident angle (degree) | Focal length error analysis (%) | Focusing efficiency error analysis (%) |
|---|---|---|
| 0 | < 1 | 12 |
| 30 | < 1 | 14 |
| 60 | < 1 | 10 |
| 85 | < 1 | 4 |
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