CO2 Pressure Shift and Broadening of Water Lines Near 790 nm  

CO2对790nm附近水线的压力加宽和位移

作　　者：陆燕[1] 李新飞[1] 刘安雯[1] 胡水明[1] 

机构地区：[1]中国科学技术大学合肥微尺度物质科学国家实验室(筹),合肥230026

出　　处：《Chinese Journal of Chemical Physics》2014年第1期1-4,I0003,共5页化学物理学报（英文）

基　　金：ACKNOWLEDGMENTS This work is supported by the National Natural Science Foundation （No.21225314 and No.20903085）, the National Basic Research Program of China （No.2013CB834602） and the Fundamental Research Funds for the Central Universities.

摘　　要：Carbon dioxide pressure-broadened ro-vibrational transitions belonging to thev^2＋3v^3 band of H2160 have been measured with a sensitive cavity ring-down spectrometer. Water vapor of relatively low pressures （〈0.5 Torr） was used to limit the self-collisions among water molecules. After the calibration using the precise atomic transitions of Rb and a thermo- stabilized Fabry-Perot interferometer, 10^-5 cm^-1 frequency accuracy has been achieved. Line parameters are derived from least-squares fitting of the spectra using the ＂soft＂ collision model. The retrieved line parameters can be applied in the study of water absorption in the CO2-rich atmospheres of planets like Venus and Mars.

关 键 词：WATER Carbon Dioxide Pressure-induced half width Pressure-induced line shift Cavity ring-down spectroscopy 

分 类 号：O6[理学—化学]