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  • diffractive optics

Optical elements that use diffraction to control wavefronts. Diffractive optical elements include diffraction gratings, surface-relief diffractive lenses, holographic optical elements and computer-generated holograms. Fabrication methods include diamond machining, interference of coherent beams (holography), injection molding and advanced microlithographic techniques. See also binary optics; holographic optical element.
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