Evolving and 3D printing new nanoscale optical devices

https://phys.org/news/2023-07-evolving-3d-nanoscale-optical-devices.html

"tiny devices sort incoming IR by wavelength and polarization...placed directly over camera sensor, direct red light to 1 pixel, green light to another, and blue light to a third, same for daylight polarized light, detect surface orientation... augmented and virtual reality... algorithm tweaks design... 2-photon polymerization lithography hardens liquid resin with laser... structures with features smaller than a micron"

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