Screens may be larger on smartphones now, but nearly every other component is designed to be thinner, flatter and tinier than ever before. The engineering requires a shift from shapely, and bulky lenses to the development of miniaturized, two-dimensional metalenses. They might look better, but do they work better?
Click here for original story, Beyond 5G: Wireless communications may get a boost from ultra-short collimating metalens
Source: Phys.org