Measurements of line intensities and line widths in the ν3-fundamental band of nitrous oxide at atmospheric temperatures
作者： Vassilii Nemtchinov , Chengbo Sun , Prasad Varanasi , None
DOI: 10.1016/S0022-4073(02)00355-2
关键词: Quartic function 、 Spectrometer 、 Quantum number 、 Polynomial 、 Extrapolation 、 Atomic physics 、 Line (formation) 、 Linear molecular geometry 、 Spectral line 、 Physics
摘要: Abstract We present measurements of the absolute intensities, N2-, O2-, and air-broadened half-widths spectral lines in 4.5 μm (ν3-fundamental) band 14 N 2 16 O at 216, 250 296 K . These data were obtained using a high-resolution ( 0.002 cm −1 ) Fourier-transform spectrometer. The variation line widths with temperature rotational quantum number m (|m| is J P-branch J+1 R-branch, being linear molecule) examined. Simple empirical polynomial (quartic) fits measured are presented. A new improved method extrapolation line-width to higher values has also been devised.
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