Temperature dependence of line parameters of 12C16O2 near 2.004 μm studied by tunable diode laser spectroscopy

Temperature dependence of line parameters of ¹²C¹⁶O₂ near 2.004 μm studied by tunable diode laser spectroscopy

Ma Hongliang^{1, 2}, Sun Mingguo¹, Zha Shenlong², Liu Qiang¹, Cao Zhensong^{1, †}, Huang Yinbo¹, Zhu Zhu², Rao Ruizhong¹

(color online) Example of recorded absorption spectrum for the R(20) transition of CO₂ perturbed by air. Experimental profile and fitted Voigt profile are presented here. The observed minus calculated residuals are shown at the bottom. Pressure is 30.944 kPa and temperature is 253.2±0.2 K.