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Proceedings Paper

Design principles for broadband AR coatings
Author(s): Uwe Schallenberg
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Paper 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.

Paper Details

Date Published: 25 September 2008
PDF: 8 pages
Proc. SPIE 7101, Advances in Optical Thin Films III, 710103 (25 September 2008); doi: 10.1117/12.797708
Show Author Affiliations
Uwe Schallenberg, mso jena GmbH (Germany)

Published in SPIE Proceedings Vol. 7101:
Advances in Optical Thin Films III
Norbert Kaiser; Michel Lequime; H. Angus Macleod, Editor(s)

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