Temperature dependence of line parameters of 12C16O2 near 2.004 μm studied by tunable diode laser spectroscopy
Ma Hongliang1, 2, Sun Mingguo1, Zha Shenlong2, Liu Qiang1, Cao Zhensong1, †, Huang Yinbo1, Zhu Zhu2, Rao Ruizhong1
       

(color online) Plot of collisional half-width at half maximum versus each pressure for the R(20) transition of CO2. The slope of the regression line corresponds to the air-broadening coefficient in at 218.4 K.