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International round-robin experiment to test the International Organization for Standardization total-scattering draft standard

: Kadkhoda, P.; Müller, A.; Ristau, D.; Duparre, A.; Gliech, S.; Lauth, H.; Schuhmann, U.; Reng, N.; Tilsch, M.; Schuhmann, R.; Amra, C.; Deumie, C.; Jolie, C.; Kessler, H.; Lindström, T.; Ribbing, C.G.; Bennet, J.M.


Applied optics 39 (2000), No.19, pp.3321-3332
ISSN: 0003-6935
ISSN: 1539-4522
ISSN: 1559-128X
Journal Article
Fraunhofer IOF ()

An international round-robin experiment has been conducted among laboratories in different countries to test the measurement and the data-analysis procedures in the International Organization for Standardization draft standard ISO/DIS 13696 for measuring total scattering from low-scatter laser optics. Ten laboratories measured total backscattering from high-reflectance mirrors, 50% beam splitters, and antireflection-coated windows. Results were sent to the Laser Zentrum Hannover, which acted as coordinator and analyzed all the backscattering data. The results showed that the procedure in the draft standard was useful for measuring and reporting backscattering for low-scatter optics.
Problems encountered in the round-robin experiment included the accumulation of particles on the surfaces, particularly on the high-reflectance mirrors.