High-speed super-resolution 3D direct laser writing for fabricating precision micro-optical devices and metamaterials

https://www.eurekalert.org/news-releases/1075202

"laser written lines spaced 100 nm apart on glass substrate... focused laser selectively solidify/ polymerize... dual-beam with special photoresist... 100 µm/s printing speeds, but at 1000 μm/s, a 120-nm lateral resolution still achieved... printing optical waveguide devices for VR/ AR displays with precise, high-resolution structuring... microlenses, photonic crystals, micro-optical devices, metamaterials"