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glossary

AR coating

In order to increase translucency optical functional surfaces are coated with layers consisting of materials with adapted refractive indexes which reduce reflection. The higher the medium's refractive index, the more necessary an antireflexion coating to increase light transmisson. There are narrowband and broadband antireflexion coatings. Using multiple layers a translucency of over 99% can be realized in selected wavelength ranges even for materials with high refractive indexes.

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