DocumentCode
1114721
Title
Fermi and intramode relaxation phenomena in CO2 lasers
Author
Rooth, Rudy A. ; Van Der Pol, Jacob A. ; Haselhoff, Eltjo H. ; Witteman, W.J.
Author_Institution
Twente Univ. of Technology, Enschede, The Netherlands
Volume
23
Issue
8
fYear
1987
fDate
8/1/1987 12:00:00 AM
Firstpage
1372
Lastpage
1377
Abstract
Using a 1 ns pulse from a short-pulse CO2 laser system, the evolution of the gain in a TEA system was studied during and after amplification. This resulted in a very direct observation of a few relaxation processes. We estimated the effective intramode relaxation rate constant to be larger than 
torr-1/s. The Fermi relaxation time constant was found to be 30 ± 7 ns at 760 torr. We conclude that for nanosecond pulse amplification, intramode relaxation cannot be neglected.
torr-1/s. The Fermi relaxation time constant was found to be 30 ± 7 ns at 760 torr. We conclude that for nanosecond pulse amplification, intramode relaxation cannot be neglected.Keywords
Carbon dioxide laser amplifiers; Relaxation processes; Density estimation robust algorithm; Energy exchange; Gain measurement; Gas lasers; Jacobian matrices; Laser modes; Laser transitions; Optical pulses; Pulse amplifiers; Wheels;
fLanguage
English
Journal_Title
Quantum Electronics, IEEE Journal of
Publisher
ieee
ISSN
0018-9197
Type
jour
DOI
10.1109/JQE.1987.1073522
Filename
1073522
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