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  4. Variable-angle spectroscopic ellipsometry for deep UV characterization of dielectric coatings
 
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1994
Conference Paper
Title

Variable-angle spectroscopic ellipsometry for deep UV characterization of dielectric coatings

Abstract
Fluorides and oxides are classical materials for optical coatings. At present, fundamental improvements of film properties are necessary, especially for optical components of high power excimer lasers and other applications in the UV spectral region. The optical properties and the laser damage threshold of the films are determined by the thin film microstructure and by contamination inside the films. Strong connections between optical losses and laser stability, on the one hand, and the film microstructure, on the other hand, have been shown. Therefore, sensitive optical characterization techniques in the UV region have to be used. We report first results of deep UV spectroscopic ellipsometric measurement of fluoride and oxide films.
Author(s)
Kaiser, N.
Zuber, A.
Stehle, J.L.
Mainwork
Optical Interference Coatings  
Conference
International Symposium on Optical Interference Coatings 1994  
Language
English
Fraunhofer-Institut für Angewandte Optik und Feinmechanik IOF  
Keyword(s)
  • Dünne optische Schicht

  • excimer laser optics

  • Excimer-Laser-Optik

  • fluoride thin films

  • Fluoridschicht

  • laser induced damage threshold

  • Laserzerstörschwelle

  • optical coating

  • optical thin films

  • oxide thin films

  • Oxidschicht

  • ultraviolet spectral region

  • ultravioletter Spektralbereich

  • UV

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