Experimental investigation of the self- and N-2-broadened continuum within the nu(2) band of water vapor

被引:55
作者
Tobin, DC [1 ]
Strow, LL [1 ]
Lafferty, WJ [1 ]
Olson, WB [1 ]
机构
[1] NIST,DIV MOL PHYS,GAITHERSBURG,MD 20899
来源
APPLIED OPTICS | 1996年 / 35卷 / 24期
关键词
infrared absorption; water vapor; continuum; spectral line shape; Fourier transform spectrometer;
D O I
10.1364/AO.35.004724
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We present an experimental study of the self- and N-2-broadened H2O continuum in microwindows within the nu(2) fundamental centered at similar to 1600 cm(-1). The continuum is derived from transmission spectra recorded at room temperature with a BOMEM Fourier transform spectrometer at a resolution of similar to 0.040 cm(-1). Although we find general agreement with previous studies, our results suggest that there is significant near-wing super-lorentzian behavior that produces a highly wave-number-dependent structure in the continuum as it is currently defined. (C) 1996 Optical Society of America
引用
收藏
页码:4724 / 4734
页数:11
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