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Proceedings Paper

Design of hybrid coatings composed of homogeneous layers and refractive index gradients
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Paper Abstract

Inhomogeneous coatings are promising for superior optical properties, e.g. broadband antireflection, in comparison to conventional HL-stack designs. Although a lot of excellent theoretical work on optical behaviour of rugates and gradient index films has been done during the last decades, there is no real breakthrough in industrial fabrication. The realization of such coatings leads to an extensive and time-consuming computer-aided control, because of complicated layer designs with continuously changing refractive index gradients. We describe the design and optical performance of an omnidirectional antireflection coating that essentially represents a hybrid coating composed from homogeneous layers and linear refractive index gradient layers.

Paper Details

Date Published: 5 October 2005
PDF: 8 pages
Proc. SPIE 5963, Advances in Optical Thin Films II, 59631D (5 October 2005); doi: 10.1117/12.624348
Show Author Affiliations
Vesna Janicki, Fraunhofer-Institut für Angewandte Optik und Feinmechanik (Germany)
Ruder Boskovic Institute (Croatia)
Robert Leitel, Friedrich-Schiller-Univ. Jena (Germany)
Steffen Wilbrandt, Friedrich-Schiller-Universitaet Jena (Germany)
Olaf Stenzel, Fraunhofer-Institut für Angewandte Optik und Feinmechanik (Germany)
Dieter Gäbler, Fraunhofer-Institut für Angewandte Optik und Feinmechanik (Germany)
Norbert Kaiser, Fraunhofer-Institut für Angewandte Optik und Feinmechanik (Germany)


Published in SPIE Proceedings Vol. 5963:
Advances in Optical Thin Films II
Claude Amra; Norbert Kaiser; H. Angus Macleod, Editor(s)

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