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Multiphonon Absorption in Chalcogenide Glasses

  • R. E. Howard
  • P. S. Danielson
  • M. S. Maklad
  • R. K. Mohr
  • P. B. Macedo
  • C. T. Moynihan
Part of the Optical Physics and Engineering book series (OPEG)

Abstract

The“molecular model” of Lucovsky and coworkers for vibrational properties of chalcogenide glasses such as As2S3, As2Se3, GeS2 and GeSe2 suggests that multiphonon absorption in these materials should be analogous to overtone and combination vibrational bands in isolated molecules. A variety of experiments have been carried out whose results are in reasonable accord with this prediction. These include Raman spectra of As2S3 glass, measurement of the frequency dependence of infrared absorption in the multiphonon region for As2S3, As2Se3, and mixed As2S3-As2Se3 and As2Se3-GeSe2 glasses, and measurement of the temperature dependence of absorption coefficients in the multiphonon region for As2Se3 glass.

Keywords

Chalcogenide Glass Absorption Coeffi High Frequency Fundamental Fundamental Vibrational Mode Multiphonon Process 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Press, New York 1975

Authors and Affiliations

  • R. E. Howard
    • 1
  • P. S. Danielson
    • 1
  • M. S. Maklad
    • 1
  • R. K. Mohr
    • 1
  • P. B. Macedo
    • 1
  • C. T. Moynihan
    • 1
  1. 1.Vitreous State LaboratoryCatholic University of AmericaUSA

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