Computational model of longitudinal discharge uniformity in RF-excited CO/sub 2/ slab lasers

A computational model is used to predict longitudinal excitation uniformity in large-area electrodes for RF-excited CO/sub 2/ lasers. Effects of nonuniform discharge loading along the electrode transmission line are accounted for in the model, as is the dependence of discharge properties on power lo...

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Published in:IEEE journal of quantum electronics 1996-08, Vol.32 (8), p.1289-1298
Main Authors: Strohschein, J.D., Bailida, W.D., Seguin, H.J.J., Capjack, C.E.
Format: Article
Language:English
Subjects:
Computational modeling
Electrodes
Frequency
Gas lasers
Laser excitation
Laser modes
Power transmission lines
Predictive models
Slabs
Solid modeling
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creator Strohschein, J.D.
Bailida, W.D.
Seguin, H.J.J.
Capjack, C.E.
description A computational model is used to predict longitudinal excitation uniformity in large-area electrodes for RF-excited CO/sub 2/ lasers. Effects of nonuniform discharge loading along the electrode transmission line are accounted for in the model, as is the dependence of discharge properties on power loading, excitation frequency, gas pressure, and electrode geometry. Predictions of excitation uniformity are tested against measurements of discharge luminosity. Good agreement is demonstrated. Since the model is valid over the range of discharge conditions interesting to slab CO/sub 2/ lasers, it should applicable to the problem of slab electrode optimization.
doi_str_mv 10.1109/3.511540
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source IEEE Electronic Library (IEL) Journals
subjects Computational modeling
Electrodes
Frequency
Gas lasers
Laser excitation
Laser modes
Power transmission lines
Predictive models
Slabs
Solid modeling
title Computational model of longitudinal discharge uniformity in RF-excited CO/sub 2/ slab lasers
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