The first flat lens that works within a continual bandwidth of colors, from blue to green, has now been developed by researchers. This bandwidth, close to that of an LED, paves the way for new applications in imaging, spectroscopy and sensing.
The first flat lens that works within a continual bandwidth of colors, from blue to green, has now been developed by researchers. This bandwidth, close to that of an LED, paves the way for new applications in imaging, spectroscopy and sensing.