Air holes turn silicon wafers into flat UV focusing mirrors for compact optics (phys.org) 1 points by bookofjoe 1d ago ↗ HN
[–] ranger_danger 12h ago ↗ That is a genius idea.I assume this could be tuned for other wavelengths of light just by adjusting the size of the air holes and nanoscale structures?Could the same idea also be used for directing RF? [–] ranger_danger 10h ago ↗ Also wouldn't the holes cause a percentage of light loss?
[–] pfdietz 10h ago ↗ The application to EUV/XUV is important, as those wavelengths can be very useful for photolithography.
[–] jacquesm 6h ago ↗ The physics of holes and light are incredibly complex and interesting. Have a look at Optical Sieves if this stuff interests you. [–] Tarq0n 5h ago ↗ Also waveguides. There's been some pretty revolutionary material science based on them in the last decade.
[–] Tarq0n 5h ago ↗ Also waveguides. There's been some pretty revolutionary material science based on them in the last decade.
[–] maciejw 1h ago ↗ AFAIK there’s a significant silicon wafer shortage at the moment due to AI boom and supply chain issues. Are RAM manufacturers going to compete for them with optics manufacturers now?
9 comments
[ 0.24 ms ] story [ 20.5 ms ] threadI assume this could be tuned for other wavelengths of light just by adjusting the size of the air holes and nanoscale structures?
Could the same idea also be used for directing RF?