Raymond T Bailey
Articles written in Journal of Chemical Sciences
Volume 103 Issue 3 March 1991 pp 401-404
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.
Volume 103 Issue 3 March 1991 pp 409-412
Spectra of coincidence of CH3C1 IR absorption with CO2-laser emission were recorded by a photoacoustic detection method in the whole range of CO2-laser emission. The samples were neat gas and mixtures with argon, at several pressures (10 to 600Torr) so that pressure effects could be observed. The results show that argon affects absorption of CO2-laser emission quite differently from neat chloromethane, both regarding the most prominent coincidences and background absorption.
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