Accurate Spectrophotometer for the Attenuation Measurement of Low-Loss Optical Materials

  • D. Krause
Part of the Optical Physics and Engineering book series (OPEG)


A sensitive, unusual spectrophotometer has been developed. The experimental setup is discussed and main emphasis is on error analysis. Systematic errors are mainly due to the surface properties of the sample. For 30 cm long samples the sensistivity is better than 1 dB/km and the absolute accuracy is ± 5 % ± 3 dB/km. The spectral distributions of the total loss is Suprasil W 1 and flint glass samples are shown.


Spectral Distribution Surface Loss Laser Mirror Flint Glass High Order Reflection 
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  1. 1.
    G. Koppelmann, K. Krebs, Z. Phys., 156, 38 (1959).ADSCrossRefGoogle Scholar

Copyright information

© Plenum Press, New York 1975

Authors and Affiliations

  • D. Krause
    • 1
  1. 1.Res. Lab.Jenaer Glaswerk Schott and Gen.MainzGermany

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