Blazed gratings can reflect an oblique incident wave back in the path of incidence, unlike mirrors and metal plates that only reflect specular waves. Perfect blazing (and zero specular scattering) is ...
Metasurface 1, 2 refers to a general class of planar structures that consist of subwavelength scale elements called as the unit cells. It has a close analogy to and also represents a much enriched ...
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