WATER VAPOR BROADENING OF THE 1-0 P(25) LINE OF CARBON MONOXIDE
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Date
1980
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Ohio State University
Abstract
A PbSSe diode laser was used to measure the broadening coefficient of the P(25) line in the 1-0 band of CO broadened by $H_{2}O$. The date were recorded for four values of $H_{2}O$ pressure below 18 torr. The pressure broadened component of the line width was inferred using Voigt profile calculations. The resulting coefficient is $1.13 \times 10^{-4}$ $cm^{-1}$/torr half width at half maximum. This is about 1.75 times the value of the $N_{2}$ broadening coefficient for this CO line.
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