Point and shoot: the polarization camera is about two centimetres in diameter and uses a metasurface with an array of nanopillars. (Courtesy: Eliza Grinnell/Harvard SEAS) A compact and simple camera ...
Controlling both the state and degree of polarization of light is a long-standing challenge in optics. While metasurfaces offer compact, high-resolution control over wavefronts, most existing designs ...