Line-Mixing Calculations for the 5.3 μm NO Band |
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| Authors: | Mikihiko Hirono |
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| Affiliation: | (1) Department of Electrical and Electronic Engineering, Faculty of Engineering, Niigata University, 8050 Ikarashi 2, Niigata 950-2181, Japan |
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| Abstract: | Line-mixing coefficients of the NO-N2 system are calculated within the infinite-order sudden (IOS) and energy-corrected sudden (ECS) approximations. The so-called sum rule between the line width and the line-mixing coefficients is used for line-mixing calculation. Line widths calculated from the ECS model are in good agreement with experimental data for the 5.3 μm NO band. The band-correction function of NO, which characterizes the deviations from the superposition of Lorentz profiles, is also calculated. The ECS results as well as experimental data indicate strong sub-Lorentzian behavior in the wing of the R branch of the 5.3 μm NO band. |
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| Keywords: | line mixing line coupling line shape infrared absorption absorption coefficient molecular collision |
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