HYDROGEN BROADENING AND COLLISION-INDUCED LINE SHIFTS OF METHANE AT 4200 CM-1

被引:10
作者
MARGOLIS, JS
机构
[1] Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91190
关键词
D O I
10.1016/0022-4073(93)90019-E
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Many of the lines of the nu1 + nu4 and nu3 + nu4 bands of methane in the vicinity of 4200 cm - 1 have been assigned and are reported in the HITRAN data-base which is commonly used for atmospheric transmission calculations in the i.r. In this paper, the collision-induced broadening coefficients of hydrogen for more than 200 of these lines are reported. Also, by using the water-vapor lines which occur in the spectra as calibration marks, the frequencies of the broadened lines were determined. This permitted the collision-induced line shifts to be measured for lines sufficiently isolated from interfering blends: all of the shifts which could be reliably determined in this way were negative.
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页码:71 / 79
页数:9
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