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      Diffuse discharges in SF 6 and mixtures of SF 6 with H 2, formed by nanosecond voltage pulses in non-uniform electric field

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          Abstract

          Results of experimental study of nanosecond diffuse discharge in SF 6 and gas mixtures of SF 6 with H 2, D 2 and C 2H 6 are presented. The aim of this work is to study parameters of discharge between two extended electrodes with a small radius of curvature in SF 6 and SF 6 with additives. It was shown that diffuse discharge can be formed in SF 6 at elevated pressure between blade electrodes with length of 30 cm. It was also confirmed that in a sharply non-uniform electric field a beam of runaway electrons is generated and that the gap breakdown occurs due to ionisation waves which begin on electrodes with small radius of curvature. Laser action in the infrared spectral region was obtained in SF 6–H 2 (D 2, C 2H 6) mixtures. The laser output up to 110 mJ was easily achieved which corresponds to ultimate intrinsic efficiency (with respect to deposited energy) of 10%.

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          Development of overvoltage breakdown at high gas pressure

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            A Search for X Rays from Helium and Air Discharges at Atmospheric Pressure

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              The RADAN series of compact pulsed power Generators and their applications

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                Author and article information

                Contributors
                Journal
                HVE
                High Voltage
                High Volt.
                The Institution of Engineering and Technology
                2397-7264
                27 September 2018
                14 November 2018
                December 2018
                : 3
                : 4
                : 316-322
                Affiliations
                [1 ] Institute of High Current Electronics, Siberian Branch (SB), Russian Academy of Sciences (RAS) , Tomsk 634055, Russia
                [2 ] Faculty of Innovative Technologies, National Research Tomsk State University , Tomsk 634050, Russia
                [3 ] Department of Photonics and Quantum Electronics, National Research Tomsk Polytechnic University , Tomsk 634050, Russia
                [4 ] Department of Physics, Tomsk State University of Control Systems and Radioelectronics , Tomsk 634050, Russia
                Article
                HVE.2018.5006 HVE.2018.5006.R2
                10.1049/hve.2018.5006
                b5ca6aeb-3b11-4103-bfbd-cd25a4dca5ee

                This is an open access article published by the IET and CEPRI under the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/3.0/)

                History
                : 2 April 2018
                : 4 September 2018
                : 22 September 2018
                Page count
                Pages: 0
                Categories
                Research Article

                Computer science,Engineering,Artificial intelligence,Electrical engineering,Mechanical engineering,Renewable energy
                gas mixtures,SF6-H2 ,runaway electrons,plasma diagnostics,discharges (electric),laser action,SF,ionisation waves,nonuniform electric field,nanosecond diffuse discharge,gap breakdown,nanosecond voltage pulses,extended electrodes,curvature radius,blade electrodes,elevated pressure,electrodes,size 30.0 cm,electric fields,infrared spectral region,hydrogen

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