(Nanowerk Spotlight) Light carries information in its wavelength, wavevector direction, polarization, and the way it bends through materials. Until now, optical data storage has typically used just ...
Fig. 1 Schematic of the hybrid optical meta-freeform system for real-time multi-focal planes AR display. (a) The novel AR system integrates a display screen, a multiplexing metasurface, and a freeform ...