LINE-SHAPE ASYMMETRY OF WATER-VAPOR ABSORPTION-LINES IN THE 720-NM WAVELENGTH REGION

被引:24
作者
GROSSMANN, BE
BROWELL, EV
机构
[1] ST SYST CORP,HAMPTON,VA 23666
[2] NASA,LANGLEY RES CTR,DIV ATMOSPHER SCI,HAMPTON,VA 23665
关键词
D O I
10.1016/0022-4073(91)90069-3
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Spectral line-shape analyses were performed for water vapor lines broadened by argon, oxygen, and xenon in the 720-nm wavelength region. A line-shape asymmetry was observed, which is attributed to statistical dependence or correlation between velocity- and state-changing collisions. The generalized (asymmetric) Galatry profile, which results from the soft-collision profile and includes correlation between velocity- and state-changing collisions, was fitted to the observed line shapes and was found to compare favorably with the observed data. The most prominent asymmetries were observed with xenon as the buffer gas.
引用
收藏
页码:339 / 348
页数:10
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