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  • 1990-1994  (2)
  • 42.78.Hk  (1)
  • balloon  (1)
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  • 1990-1994  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Potentiality of the photothermal surface-displacement technique for precisely performed absorption measurement of optical coatings (1994)
    Springer
    Applied physics 58 (1994), S. 377-383 
    Details
    ISSN: 1432-0630
    Keywords: 78.20.Nv ; 42.78.Hk ; 68.35.Gy ; 68.45.Nj
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract The influence of sample properties on the measured signal has to be investigated, so that measurements of the optical absorption in thin-film coatings by means of the photothermal surface-displacement technique may be precisely performed. Carrying out simultaneously absorption measurements on metal coatings at λ=10.6 μm by using laser calorimetry as well as the surface-displacement technique, the aforementioned influence and the validity of assumptions of the theoretical model, respectively, can be proven. It can be demonstrated that, in contrast to the model, thermophysical coating properties contribute to the probed surface displacement.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00323613
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Ozone measurements from the Balloon Intercomparison Campaign (1990)
    Springer
    Journal of atmospheric chemistry 10 (1990), S. 181-218 
    Details
    ISSN: 1573-0662
    Keywords: Ozone ; intercomparison ; balloon ; stratosphere
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Geosciences
    Notes: Abstract Measurements of the Balloon Intercomparison Campaign (BIC), conducted during fall, 1982 (BIC-1) and summer, 1983 (BIC-2), are reported. Results of five remote and two in situ techniques agree (with a few exceptions) within 95% confidence level uncertainties and generally within 15% above 20 km. Weighted mean profiles, which best represent conditions during the capaign, are used as a comparison standard. Accuracies of experiments indicated by BIC generally confirm estimated uncertainites for ECC sondes, UV photometry, and microwave emission experiments, are somewhat better for far IR emission and IR absorption experiments, and are somewhat worse for IR emission and solar UV absorption experiments. The large collection of BIC measurements confirms a problem reported earlier with current theoretical modeling of ozone near 40 km where transport is negligible and the chemistry is believed to be simpler.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00054856
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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