Diffractive beam splitter into a 7 × 7 spot array
Design an etched silica splitter that divides a 632.8 nm beam into a 7 × 7 array of equal beams, maximizing efficiency times uniformity.
| # | Route | Total efficiency × (1 − uniformity error) ↑ | vs baseline |
|---|---|---|---|
| — | Baseline · Best leaderboard design at 400 nm (Schubert, 2024) | 0.596398 | the bars start here |