Metasurface
Metasurfaces enable us to spatially engineer the phase in a very small region. By engineering the phase profile of a metasurface various optical devices can be realized using 2D metasurfaces and in flat optics.
Metasurfaces enable us to spatially engineer the phase in a very small region. By engineering the phase profile of a metasurface various optical devices can be realized using 2D metasurfaces and in flat optics.