Design principles for broadband AR coatings

Uwe Schallenberg

doi:10.1117/12.797708

25 September 2008 Design principles for broadband AR coatings

Uwe Schallenberg

Proceedings Volume 7101, Advances in Optical Thin Films III; 710103 (2008) https://doi.org/10.1117/12.797708
Event: Optical Systems Design, 2008, Glasgow, Scotland, United Kingdom

Abstract

It is shown that most of the known AR coatings that start with the famous quarter-half-quarter coating including the multi-cycle designs display simply alternative solutions to replace unavailable refractive indices of a standard solution. On the basis of this viewpoint some design principles are presented that help to derive an approach to solve a given AR problem. Principal objective of the presented approach is the application of previously defined terms 'equivalent substrate index' and 'equivalent stack index' that characterise a quarter-wave optical thickness multilayer system. It is shown that the presented design principles are also suitable if, instead of a thin-film system, a modification of the interface is used to reduce the surface reflection.

Citation Download Citation

Uwe Schallenberg "Design principles for broadband AR coatings", Proc. SPIE 7101, Advances in Optical Thin Films III, 710103 (25 September 2008); https://doi.org/10.1117/12.797708

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