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About: Depth-graded multilayer coating     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Thing100002452, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: companyyago:WikicatThin-filmOpticsyago:BodyPart105220461yago:Eye105311054yago:Organ105297523yago:Part109385911yago:PhysicalEntity100001930yago:SenseOrgan105299178yago:Thing100002452 New Facet based on Instances of this Class

A depth-graded multilayer coating is a multi-layer coating optimised for broadband response by varying the thickness of the layers used. A multi-layer coating consisting of alternating layers with different optical properties and the same thickness will tend to have a narrow frequency response, getting narrower as more layers are added; for some applications such as precise focussing of a monochromatic laser light source this is exactly what's desired, but it is useless for astronomical optics where it is often required to detect a whole range of frequencies emitted by some source of interest.