Experimental and theoretical investigations of an electrical discharge in SF6 gas

Yu. Bychkov; S. Gortchakov; Arkadi G. Yastremsky

doi:10.1117/12.383473

24 April 2000 Experimental and theoretical investigations of an electrical discharge in SF6 gas

Yu. Bychkov, S. Gortchakov, Arkadi G. Yastremsky

Proceedings Volume 4071, International Conference on Atomic and Molecular Pulsed Lasers III; (2000) https://doi.org/10.1117/12.383473
Event: International Conference on Atomic and Molecular Pulsed Lasers III, 1999, Tomsk, Russian Federation

Abstract

Results of experimental and theoretical investigations of a homogeneous discharge in SF₆ gas have been presented. Experiments with use of electrodes made of Al have clarified that even by small current densities (below 20 A/cm²) and pulse durations (50 ns) the cathode surface is covered by a number of hot spots, which influence discharge homogeneity and stability. The hot spot density of about 10 cm^-2 is found to be necessary for ignition of a homogeneous discharge. In order to achieve desirable hot spot density special kinds of cathodes with predefined hot spot number have been designed. These cathodes have provided high discharge homogeneity and stability.

Citation Download Citation

Yu. Bychkov, S. Gortchakov, and Arkadi G. Yastremsky "Experimental and theoretical investigations of an electrical discharge in SF6 gas", Proc. SPIE 4071, International Conference on Atomic and Molecular Pulsed Lasers III, (24 April 2000); https://doi.org/10.1117/12.383473

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