Abstract

The broadening of CO2 rotation–vibration lines has been investigated in the 200–300K temperature range. From an analysis of four lines (|m| = 8, 15, 20, 30), it is found that the temperature exponent is nearly independent of the rotational quantum number within the limits of experimental error, for both self- and oxygen broadening. Average values n1 = 0.86 for CO2–CO2 and n2 = 0.94 for CO2–O2 have been obtained. Comparison is made with the results of the theoretical calculation based on the Robert-Bonamy model.

© 1987 Optical Society of America

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