Meta-optic gratings replace conventional lenses, enabling targeted control of light waves' temporal shift, intensity, and direction of oscillation

https://www.eurekalert.org/news-releases/1078599

"single metasurface replaces multiple optical components... scalable, simpler production (lithography/ etching), smaller... overcomes diffraction grating efficiency's sharp decline as light incidence angle increases... 4X more efficient, unprecedented light control under challenging conditions... meta-optical flat structure suitable for cameras, sensors, AR... other apps: material sorting/ quality control, medical imaging, microscopy, solar cells, robotics, autonomous driving, spectroscopy, telecommunications, laser systems"