A research team at City University of Hong Kong (CityUHK) has developed a new optical corner-detection imaging method that uses azimuthal Hilbert transform metasurfaces and is designed to work as a universal framework. The study marks an important advance in high-speed, low-power optical informa...
Source: [Phys.org](https://phys.org/news/2026-08-corners-focus-metasurface-enables-motion.html)