Astra Optics Limited

Astra Optics Limited, founded by a team of experts in optical engineering, materials science and nanomanufacturing, is a spin-off company of the Chinese University of Hong Kong (CUHK). Our innovation, the Femtosecond Projection NanoPrinter, is a record-breaking multi-material nanofabrication platform that can generate arbitrarily complex 3D structures down to a resolution of 30-nm with 17+ materials (including semiconductor, metal, alloy and oxide). It was based on the patented femtosecond light