Advancing metasurface manufacturing with water-soluble mold

https://phys.org/news/2023-08-advancing-metasurface-water-soluble-mold.html

"flawless high-resolution and high aspect ratio metasurface reduces camera lens thickness 1/10K... water soluble nanoimprint mold fabricated using polyvinyl alcohol enhances low cost, efficient production... metalens significant 1 cm area exhibiting high-resolution and aspect ratio 10:1 allowing transcribe structures >100 nm... mold retained functionality within visible regime... deep ultraviolet lithography enable mass production"