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SO2 absorption of the CO2- laser emission measured by the photoacoustic technique

  • Special Issue on Lasers in Chemistry, Proceedings of the Conference of the International Centre for Pure and Applied Chemistry, Trieste, June 1990
  • Published:
Proceedings of the Indian Academy of Sciences - Chemical Sciences Aims and scope Submit manuscript

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Abstract

Spectra of coincidence of SO2 IR absorption with CO2-laser emission at pressure of 50,100 and 450 Torr were recorded by the use of a photoacoustic detection method in the whole range of CO2-laser emission. The spectra show that SO2 absorbs many CO2-laser lines in the range 1084–1071 cm−1 with the strongest absorption at 1082.29cm−1, laser line R(26). The intensities of all absorptions rise with increasing pressure, but some absorptions change their relative intensity with respect to one another. In addition, the fine structure of line spectra, characteristic of lower pressure samples, disappear as pressure is increased.

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Petkovska, L.T., Radak, B.B., Miljanić, Š.S. et al. SO2 absorption of the CO2- laser emission measured by the photoacoustic technique. Proc. Indian Acad. Sci. (Chem. Sci.) 103, 401–404 (1991). https://doi.org/10.1007/BF02842097

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  • DOI: https://doi.org/10.1007/BF02842097

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