DocumentCode :
1055075
Title :
Results of the time-dependent gain with a high-current electron-beam sustained discharge in CO2
Author :
Ahlstrom, Harlow G. ; Pindroh, Albert L. ; Holzrichter, John ; Kan, Tehmau ; Inglesakis, George ; Kolb, Alan C. ; Jansen, Hans J.
Author_Institution :
University of Washington, Seattle, WA, USA
Volume :
10
Issue :
1
fYear :
1974
fDate :
1/1/1974 12:00:00 AM
Firstpage :
26
Lastpage :
29
Abstract :
A large-aperture cold-cathode electron beam with 150 kV and 0.4 A/cm2has been used to sustain 1-μs discharges in a CO2 -laser mixture of 3/(1/2)/1. The electron density produced in the gas was approximately 
cm-3and thus for 1 atm a discharge power density of 150 J/1μs was achieved at 5.4 kV/cm for the sustainer electric field. The time-dependent gain for the 001-100 transition has been measured. Taking the experimental values of the discharge power, the gain has also been calculated using a kinetics program and a solution of the Boltzmann equation for the fractional power transfer. The good agreement between the experimental and calculated results gives confidence that the performance of cold-cathode electron-beam sustained-discharge CO2 lasers can be predicted.
cm-3and thus for 1 atm a discharge power density of 150 J/1μs was achieved at 5.4 kV/cm for the sustainer electric field. The time-dependent gain for the 001-100 transition has been measured. Taking the experimental values of the discharge power, the gain has also been calculated using a kinetics program and a solution of the Boltzmann equation for the fractional power transfer. The good agreement between the experimental and calculated results gives confidence that the performance of cold-cathode electron-beam sustained-discharge COKeywords :
Current measurement; Electron beams; Fault location; Gain measurement; Ionization; Laboratories; Laser excitation; Laser theory; Optical pulses; Pump lasers;
fLanguage :
English
Journal_Title :
Quantum Electronics, IEEE Journal of
Publisher :
ieee
ISSN :
0018-9197
Type :
jour
DOI :
10.1109/JQE.1974.1068072
Filename :
1068072
Link To Document :
