ldos-opt · Shaker et al. reproduction

SiN λ/10 campaign

Silicon nitride (ε=4), vacuum slot, 4-fold symmetry, filter R=λ/10. Phase 1 varies erosion/dilation and seeds on a |x|≤2 cell. Phase 2 tiles the winner (and fresh periodic cells) out to a 10λ-wide cavity. Winner so far: sin-gray-d25 (highest LDOS (no arm fully cleared λ/10)).

Arm	Seed	Δη	λ	LDOS/vac	Q	min solid	λ/10
sin-gray-d15	gray	0.15	3	0.389	10.2	0.08	no
sin-gray-d25	gray	0.25	3	379	2.638e+03	0.08	no
sin-gray-l10	gray	0.2	10	29.9	245	0.08	no
sin-rand	random	0.2	3	110	1.119e+03	0.08	no
sin-per40	periodic	0.2	3	0.775	12.9	0.08	no
sin-per50	periodic	0.2	3	31	363	0.08	no
sin-holes45	holes	0.2	3	12.9	418	0.08	no

sin-gray-d15: LDOS/vac=0.389 min solid=0.08λ

sin-gray-d25: LDOS/vac=379 min solid=0.08λ

sin-gray-l10: LDOS/vac=29.9 min solid=0.08λ

sin-per40: LDOS/vac=0.775 min solid=0.08λ

sin-holes45: LDOS/vac=12.9 min solid=0.08λ

Updated 2026-08-12 21:14 UTC.