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About: Dielectric mirror     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:WikicatFilters, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: yago:WikicatMirrorsyago:WikicatOpticalDevicesyago:WikicatOpticalFiltersyago:Artifact100021939yago:Device103183080yago:Filter103339643yago:Instrumentality103575240yago:Mirror103773035yago:Object100002684yago:OpticalDevice103851341yago:PhysicalEntity100001930yago:Reflector104069276yago:Whole100003553yago:WikicatFilters New Facet based on Instances of this Class

A dielectric mirror, also known as a Bragg mirror, is a type of mirror composed of multiple thin layers of dielectric material, typically deposited on a substrate of glass or some other optical material. By careful choice of the type and thickness of the dielectric layers, one can design an optical coating with specified reflectivity at different wavelengths of light. Dielectric mirrors are also used to produce ultra-high reflectivity mirrors: values of 99.999% or better over a narrow range of wavelengths can be produced using special techniques. Alternatively, they can be made to reflect a broad spectrum of light, such as the entire visible range or the spectrum of the Ti-sapphire laser. Mirrors of this type are very common in optics experiments, due to improved techniques that allow inex