Current self-limitation in a transverse nanosecond discharge with a slotted cathode

N A ASHURBEKOV; K O IMINOV; O A POPOV; G S SHAKHSINOV

doi:10.1088/2058-6272/19/3/035401

Plasma Science and Technology > 2017 > 19(3): 35401-035401. > DOI: 10.1088/2058-6272/19/3/035401

N A ASHURBEKOV, K O IMINOV, O A POPOV, G S SHAKHSINOV. Current self-limitation in a transverse nanosecond discharge with a slotted cathode[J]. Plasma Science and Technology, 2017, 19(3): 35401-035401. DOI: 10.1088/2058-6272/19/3/035401

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Current self-limitation in a transverse nanosecond discharge with a slotted cathode

1 Dagestan State University, Faculty of Physics, 43a Gadjieva Street, Makhachkala 367002, Russia 2 Moscow Power Engineering Institute, Krasnokazarmennaya 14, Moscow 111250, Russia

Funds: This work was financially supported by the project part of the state assignment of the Ministry of Education and Science of Russia in scientific activities, project 3.1262.2014K.

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Received Date: June 29, 2016

Graphical Abstract

Abstract

Abstract

A high-voltage transverse pulsed nanosecond discharge with a slotted hollow cathode was found to be a source of high-energy (few kV) ribbon electron beams. Conditions for the formation and extinction of electron beams were experimentally studied in discharges in helium at pressures of 1–100 Torr. It was found that interaction of fast electrons with a non-uniform electric field near the slotted cathode led to limitation of the magnitude of the discharge current. A physical model was developed to describe the discharge current self-limitation that was in satisfactory agreement with the experimental results. Some technical solutions that are expected to increase the upper current limits in transverse nanosecond discharge are discussed.
- nanosecond discharge,
- electron beams,
- upper current limitation,
- slotted cathode

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References (15)

References

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