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Dielectric Coatings
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Terms
  • dielectric coating A high-reflectance coating consisting of alternating layers of quarter-wave film of a higher refractive index and lower refractive index than the substrate. Such coatings can be made very specific to a reflected wavelength or, by varying the layers'...
  • hard coating Usually a dielectric coating on glass or plastic optics; a coating that is comparable in hardness to glass itself.
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