Flat lens

A flat lens is a new technology . They are based on electromagnetic metasurfaces. They are ultrathin surfaces which can be coated to act like a lens.[1] The idea has been widely reported as a major advance in imaging.[2]

References

  1. Yu, Nanfang & Capasso, Federico 2014. Flat optics with designer metasurfaces. Nat. Mater. 13: 139–150. [1]
  2. Pease, Roland 2016. Flat lens promises possible revolution in optics. BBC News Science & Environment. [2]