One-dimensional modelling of TEA CO2 lasers |
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Authors: | TY Tou KW Beak YH Chen |
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Institution: | The authors are in the Laser and Electro-Optics Laboratory, Institute of Advanced Studies, University of Malaya, 59100 Kuala Lumpur, Malaysia |
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Abstract: | One-dimensional modelling was applied to a TEA CO2 laser whose discharge volume was divided into multiple narrow channels. Each of these channels was regarded as a separate laser channel in which a circuit-coupled kinetic model was employed to compute its discharge formation, and a rate-equation model was used to predict its laser output. Such a one-dimensional model could be employed to study the spatial variation in the transverse discharge—due mainly to a one-sided ultraviolet-preionization and the electrode contour—and its effects on the laser output. Reasonably good agreement was obtained between the one-dimensional model and the experiment, which employed a pair of Ernst profile electrodes. |
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Keywords: | one-dimensional modelling preionization laser profiles |
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