DocumentCode :
1093985
Title :
Radial laser-induced sound wave propagation and vibrational relaxation in carbon dioxide
Author :
Davis, Christopher C.
Author_Institution :
University of Maryland,College Park,MD
Volume :
18
Issue :
6
fYear :
1982
fDate :
6/1/1982 12:00:00 AM
Firstpage :
999
Lastpage :
1003
Abstract :
The effective vibrational relaxation time of CO2 excited to the 00°1 level has been measured by the phase fluctuation Optical heterodyne technique. An apparent pressure dependence of the relaxation time can be attributed to the finite velocity of sound. This effect can be corrected to yield a value of 
s . atm. The effect of laser-initiated cylindrical sound waves on the data is examined in some detail.
s . atm. The effect of laser-initiated cylindrical sound waves on the data is examined in some detail.Keywords :
Carbon materials/devices; Laser radiation effects; Photoacoustics; Acoustic beams; Acoustic propagation; Carbon dioxide; Gas lasers; Laser beams; Laser excitation; Laser modes; Optical interferometry; Optical mixing; Optical propagation;
fLanguage :
English
Journal_Title :
Quantum Electronics, IEEE Journal of
Publisher :
ieee
ISSN :
0018-9197
Type :
jour
DOI :
10.1109/JQE.1982.1071639
Filename :
1071639
Link To Document :
