Diode-laser spectroscopy:: Line profiles of H2O in the region of 1.39 μm

被引：50

作者：

Lepère, M ^{[1
]}

Henry, A ^{[1
]}

Valentin, A ^{[1
]}

Camy-Peyret, C ^{[1
]}

机构：

[1] Univ Paris 06, CNRS, Lab Phys Mol & Applicat, F-75252 Paris 05, France

来源：

JOURNAL OF MOLECULAR SPECTROSCOPY | 2001年 / 208卷 / 01期

关键词：

D O I：

10.1006/jmsp.2001.8372

中图分类号：

O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];

学科分类号：

070203 ; 070304 ; 081704 ; 1406 ;

摘要：

Using a stabilized diode-laser spectrometer, we have studied the line profiles of water vapor near 7185.59 cm(-1). With low pressures of pure gas (less than or equal to1 Torr) in a White-type cell, we have deduced the line intensities using the Voigt profile. This study shows clear differences between experimental and calculated lines described by a Voigt profile when the pressure increases. For water vapor in mixtures with N-2, O-2 Ar, Or He, we have determined the collisional broadening coefficients, taking into account the collisional narrowing (Dicke effect). The narrowing parameters have been determined using soft (Galatry) or hard (Rautian and Sobel man) collision models and compared to the dynamic friction coefficient. (C) 2001 Academic Press.

引用

页码：25 / 31

页数：7

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