Thorium-free interference coatings for infrared applications

Sven Laux; Helmut Bernitzki; Dieter Fasold; Elvira Gittler; Frank Schmidt; Thomas Weyh; Gottfried Wurlitzer

doi:10.1117/12.625146

4 October 2005 Thorium-free interference coatings for infrared applications

Sven Laux, Helmut Bernitzki, Dieter Fasold, Elvira Gittler, Frank Schmidt, Thomas Weyh, Gottfried Wurlitzer

Proceedings Volume 5963, Advances in Optical Thin Films II; 59631A (2005) https://doi.org/10.1117/12.625146
Event: Optical Systems Design 2005, 2005, Jena, Germany

Abstract

This paper discusses improvements in manufacturing of coated infrared optical components. Such components often have key functions in defence, security or space applications and must withstand severe environmental conditions. Therefore, very durable coatings are desired. As a consequence of its radioactivity the formerly used low refractive index material thorium fluoride is substituted. Examples for beam splitter cubes contacted with novel infrared transparent cement, interference filters, mirrors and AR coatings are presented.

Citation Download Citation

Sven Laux, Helmut Bernitzki, Dieter Fasold, Elvira Gittler, Frank Schmidt, Thomas Weyh, and Gottfried Wurlitzer "Thorium-free interference coatings for infrared applications", Proc. SPIE 5963, Advances in Optical Thin Films II, 59631A (4 October 2005); https://doi.org/10.1117/12.625146

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