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Broadband meta-atom library for visible metasurfaces
Design eight TiO₂ meta-atoms whose stitched grating keeps a high relative diffraction efficiency from 450 to 650 nm, with features of at least 60 nm.
| # | Route | Worst-case relative +1-order efficiency, 450–650 nm ↑ | vs baseline |
|---|---|---|---|
| — | Baseline · Best leaderboard library at 60 nm (Schubert, 2024) | 0.923706 | the bars start here |