= Diffractive beam splitter
{wiki=Diffractive_beam_splitter}
A diffractive beam splitter is an optical device that uses diffraction principles to split an incoming beam of light into multiple output beams. Unlike traditional beam splitters, which typically rely on reflection and transmission through a partially reflective surface, diffractive beam splitters use specially designed micro-patterns etched or printed on a surface to manipulate the phase front of the incoming light wave.
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