A magnetically stabilized coaxial laser discharge |
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Authors: | C E Capjack H J J Seguin D Antoniuk V A Seguin |
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Institution: | (1) Department of Electrical Engineering, The University of Alberta, T6G 2G7 Edmonton, Alberta, Canada |
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Abstract: | A new magnetic discharge stabilization technique for coaxial laser systems is described. The approach utilizes crosses electric and magnetic fields to create and maintain a large and rapidly rotating plasma volume which does not experience glow-to-arc transitions. Very high cw specific discharge power loadings have been achieved even without the benefit of external gas cooling or circulation.Performance is insensitive to gas composition and pressure such that high power coaxial discharges have been run in CO2 laser gas mixtures up to several hundred torr. Stable cw discharges have also been obtained in mixtures containing several torr of SF6.The technique appears to be readily scalable to give very large excited volumes in systems with comparatively small overall physical dimensions. |
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Keywords: | 52 80 42 55 |
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