Switching of High-Voltage Pulses in Devices Based on Open Discharge in Nitrogen and Oxygen

Results of comparative investigations of the pulse-switching characteristics of devices (kivotrons) based on the open discharge in molecular gases (oxygen and nitrogen) and their mixtures with helium are presented. The choice of oxygen and nitrogen is determined by the fact that the coefficients of...

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Bibliographic Details
Published in:Technical physics letters 2020-10, Vol.46 (10), p.1020-1023
Main Authors: Bokhan, P. A., Gugin, P. P., Zakrevsky, D. E., Kim, V. A., Lavrukhin, M. A.
Format: Article
Language:English
Subjects:
Classical and Continuum Physics
Discharge
Electron emission
Helium
Molecular gases
Nitrogen
Oxygen
Photoelectrons
Physics
Physics and Astronomy
Switches
Switching
Voltage pulses
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Summary:Results of comparative investigations of the pulse-switching characteristics of devices (kivotrons) based on the open discharge in molecular gases (oxygen and nitrogen) and their mixtures with helium are presented. The choice of oxygen and nitrogen is determined by the fact that the coefficients of electron emission under impact of their heavy particles are much higher as compared to that for helium. It is established that this factor, as well as the case of predominantly photoelectron emission mechanism operative in helium, makes the creation of fast switches possible. These switches are advantageous in posing lower requirements on the purity of a working gas medium.
ISSN:1063-7850
1090-6533
DOI:10.1134/S1063785020100181