Air holes turn silicon wafers into flat UV focusing mirrors for compact optics

2 comments

• $altairprime 5 hours ago

  UV Mie-void reflective metasurfaces in silicon (2026) https://doi.org/10.1117/1.AP.9.1.016002

• $bookofjoe 6 hours ago

  https://unwall.app/phys.org/news/2026-11-air-holes-silicon-w...