DIODE-LASER MEASUREMENTS OF AR-BROADENING COEFFICIENTS IN THE NU(2) BAND OF HCN

被引:11
作者
BOUANICH, JP
BLANQUET, G
WALRAND, J
机构
[1] UNIV PARIS 06,CNRS,PHYS MOLEC & APPLICAT LAB,F-91405 ORSAY,FRANCE
[2] FAC UNIV NOTRE DAME PAIX,SPECT MOLEC LAB,B-5000 NAMUR,BELGIUM
关键词
D O I
10.1006/jmsp.1995.1254
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
At-broadening coefficients have been measured for 29 lines of HCN in the P, Q, and R branches of the nu(2) band, using a tunable diode-laser spectrometer. These lines with J values ranging from 1 to 25 are located in the spectral range 640-790 cm(-1). The collisional widths obtained by fitting Rautian profiles to the measured shape of the lines are significantly larger than those derived from Voigt profiles. Semiclassical calculations of these collisional broadenings have been performed using the atom-atom intermolecular potential. The calculated results in the P, Q, and R branches are in satisfactory agreement with the experimental data. (C) 1995 Academic Press, Inc.
引用
收藏
页码:532 / 539
页数:8
相关论文
共 26 条
[1]   SPECTRUM LINE PROFILES - VOIGT FUNCTION [J].
ARMSTRONG, BH .
JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER, 1967, 7 (01) :61-+
[2]  
Blanquet G., 1984, Computer Enhanced Spectroscopy, V2, P135
[3]   DIODE-LASER MEASUREMENTS OF O2-BROADENING COEFFICIENTS IN THE NU(3)-BAND OF (CH3CL)-CL-35 [J].
BLANQUET, G ;
WALRAND, J ;
BOUANICH, JP .
JOURNAL OF MOLECULAR SPECTROSCOPY, 1993, 159 (01) :137-143
[4]   OVERLAPPING EFFECTS AND MOTIONAL NARROWING IN MOLECULAR BAND SHAPES - APPLICATION TO Q BRANCH OF HD [J].
BONAMY, J ;
BONAMY, L ;
ROBERT, D .
JOURNAL OF CHEMICAL PHYSICS, 1977, 67 (10) :4441-4453
[6]   SIMULTANEOUS MEASUREMENT OF MINOR STRATOSPHERIC CONSTITUENTS WITH EMISSION FAR-INFRARED SPECTROSCOPY [J].
CARLI, B ;
PARK, JH .
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 1988, 93 (D4) :3851-3865
[7]   SHOCK-TUBE STUDY OF HCN SELF-BROADENING AND BROADENING BY ARGON FOR THE P(10) LINE OF THE V1 BAND AT 3-MU-M [J].
CHANG, AY ;
HANSON, RK .
JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER, 1985, 33 (03) :213-217
[8]   ATMOSPHERIC HYDROGEN-CYANIDE ABSORPTION NEAR 14 MU-M [J].
COFFEY, MT ;
GOLDMAN, A .
APPLIED OPTICS, 1981, 20 (20) :3480-3481
[9]   ASYMPTOTIC COEFFICIENTS FOR ONE-INTERACTING-LEVEL VOIGT PROFILES [J].
COPE, D ;
LOVETT, RJ .
JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER, 1988, 39 (02) :173-179
[10]   A GENERAL EXPRESSION FOR THE VOIGT PROFILE [J].
COPE, D ;
LOVETT, RJ .
JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER, 1987, 37 (04) :377-389