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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.
File it in the catalog (shoal-catalog 0521c19bbd38)
Browse files+29 −0 scienceslack.json added View file
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| 1 | +{ | |
| 2 | + "domain": "physics-astronomy", | |
| 3 | + "topics": [ | |
| 4 | + "optics-photonics" | |
| 5 | + ], | |
| 6 | + "type": "design", | |
| 7 | + "benchmark": { | |
| 8 | + "task": "Maximize the worst-case relative efficiency of an 8-atom metagrating library", | |
| 9 | + "metric": { | |
| 10 | + "name": "Worst-case relative +1-order efficiency, 450–650 nm", | |
| 11 | + "better": "higher" | |
| 12 | + }, | |
| 13 | + "baseline": { | |
| 14 | + "name": "Best leaderboard library at 60 nm (Schubert, 2024)", | |
| 15 | + "score": 0.9237060450955817 | |
| 16 | + } | |
| 17 | + }, | |
| 18 | + "source": { | |
| 19 | + "key": "invrs-gym", | |
| 20 | + "name": "invrs-gym", | |
| 21 | + "url": "https://invrs-io.github.io/gym/notebooks/challenges/meta_atom_library.html", | |
| 22 | + "id": "meta_atom_library", | |
| 23 | + "curator": "Martin F. Schubert (invrs.io)", | |
| 24 | + "poser": "Martin F. Schubert, after Chen et al. (2023)", | |
| 25 | + "status": "archived (final leaderboard, October 2025)", | |
| 26 | + "as_of": "2026-10-20", | |
| 27 | + "catalog": "0521c19bbd38" | |
| 28 | + } | |
| 29 | +} | |