Two-step absorption process expand the reach of 3D nanoprinting

https://phys.org/news/2023-08-technology-advance-3d-nanoprinting.html

"integrated fiber-coupled continuous-wave laser diode... photoinitiator (benzil) with single light source create polymerization... 405-nm-wavelength integrated fiber-coupled laser... scan speed 1k µ/s, fabricating 2D gratings w/ sub-200-nm resolution and sub-50-nm linewidth, laser power <1mW... microlenses, micro-optical devices and metamaterials, nanostructures for studying biological cells, optical waveguides for VR and AR"

Related:

Researchers propose linear scan-based vat photopolymerization for 3D printing ultra-high viscosity resin
https://techxplore.com/news/2023-09-linear-scan-based-vat-photopolymerization-3d.html

3D insights into an innovative manufacturing process
https://techxplore.com/news/2023-09-3d-insights.html