30 May 2003 Results of a round-robin experiment on reflectivity measurements at a wavelength of 1.06 μm
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Abstract
Within the EUREKA-project EU 2359 (Instruments and Standard Test Procedures for Laser Beam and Optics Characterization) a "Round-Robin"-experiment on reflectivity measurements at the wavelength λ = 1.06 μm has been carried out. The topic of this "Round-Robin"-experiment was the evaluation of the Working Draft ISO/WD 13697 and Committee Draft ISO/CD 15368 and the comparison to simple transmission and reflectivity measurements. For the determination of transmittance and reflectance of laser components, commercially available spectrophotometers are used in industry to monitor the quality at a medium accuracy level. If a higher level of precision is required, especially to resolve the reflectivity of high-reflecting dielectric mirrors, the measurement set-up described in ISO/WD 13697 should be preferred. This standard procedure was elaborated in the framework of the CHOCLAB project. This paper analyzes the results of the "Round-Robin"-experiment; the accuracy and comparability of measurements according to different methods will be given.
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Detlef Nickel, Christoph Fleig, Andrea Erhard, Andreas Letsch, Adolf Giesen, Marco Jupe, Kai Starke, Detlev Ristau, Oswald Wilhelm, Rudolf A. Huber, Rainer Haspel, Uwe Schuhmann, Chris Scharfenorth, Hans Joachim Eichler, Stefan Gliech, Angela Duparre, Michael Schulz-Grosser, Anna Krasilnikova, Alexandra Haise, Wolfgang Riede, Ona Balachninaite, Rimantas Grigonis, Valdas Sirutkaitis, Vladimir Kazakevich, "Results of a round-robin experiment on reflectivity measurements at a wavelength of 1.06 μm", Proc. SPIE 4932, Laser-Induced Damage in Optical Materials: 2002 and 7th International Workshop on Laser Beam and Optics Characterization, (30 May 2003); doi: 10.1117/12.472005; https://doi.org/10.1117/12.472005
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KEYWORDS
Reflectivity

Laser optics

Dielectric mirrors

Digital video discs

Laser components

Laser induced damage

Laser therapeutics

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