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Article
Development of Nanosecond Discharge in an Inhomogeneous Electric Field in Water Medium
The results of a study of the development of a nanosecond discharge in a point-to-point gap 2 mm long, filled with distilled water, are presented. Positive voltage pulses with a duration of 13 ns and an amplit...
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Article
Thin Luminous Tracks during a Nanosecond Discharge in a Nonuniform Electric Field
The glow of a nanosecond diffuse discharge between two tips with high spatial resolution has been studied. At atmospheric air pressure, as well as at pressures of 300, 100, and 30 Torr, a large number of thin ...
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Article
Metal-Containing Plasma Source Based on Atmospheric Pressure Glow Discharge
Upgraded plasma source based on atmospheric pressure glow discharge device and features of its operation are presented. The main purpose of the upgraded device is the generation of metal-contained plasma flows...
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Article
Low-Current Discharge in a Flow of Atmospheric-Pressure Argon Under the Formation of Metal Atoms: Electric and Optical Characteristics
The paper presents the results of a study of the current-voltage characteristics and optical emission spectra of an atmospheric pressure pulsed discharge plasma at a frequency of several tens of kilohertz and ...
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Article
Runaway Electrons at the Formation of a Positive Ionization Wave in Nitrogen and Air
The generation of runaway electrons (REs) at a subnanosecond breakdown of a “plane–needle” gap caused by the development of a positive ionization wave starting from a grounded needle electrode (anode) has been...
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Article
Duration of the Runaway Electron Beam at a Subnanosecond Leading Edge of the Voltage Pulse
The conditions have been studied, under which, during a subnanosecond breakdown of centimeter-length gaps filled with air at atmospheric pressure, current pulses of a runaway electron beam (RAEB) of a minimum ...
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Article
Formation and Transition of Wide Streamer Into Diffuse Discharge During Breakdown in Argon and Nitrogen
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Article
Experimental Study and Numerical Simulation of Breakdown of a Gap with a Sharply Inhomogeneous Electric Field Distribution
The results of an experimental study of breakdown of a cone-to-plane gap, filled with nitrogen at a pressure of 12.5–400 kPa at a negative polarity, and its numerical simulation by the XOOPIC code are presente...
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Article
Generation of Two Pulses of Runaway Electron Beam Current
Conditions for generation of two pulses of a runaway electron beam current upon breakdown of tip–plane and tube–plane gaps in high-pressure air, nitrogen, and helium are studied. Three regimes of generation of...
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Article
On the Mechanism of the Generation of Runaway Electrons after a Breakdown of a Gap
Data that explain the generation of runaway electrons after the breakdown of a gap with a sharply inhomogeneous distribution of the electric field strength are presented. Using a special technique for measurin...
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Article
Water Treatment with the Cold Plasma of a Diffuse Nanosecond Discharge in Air at Atmospheric Pressure
The treatment of wastewater with the atmospheric cold plasma is a promising method to purify it by means of neutralizing various toxic components. The degradation of an aqueous methylene blue solution used as ...
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Article
Diffuse and Volume Discharges in High-Pressure Gas Lasers Pumped by Transverse Discharge (A Review)
Consideration is given to the formation of conditions and parameters of diffuse and volume discharges, which are widely used for laser generation in VUV, UV, visible and IR spectral ranges in different high-pr...
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Article
Formation of a Negative Streamer in a Sharply Nonuniform Electric Field and the Time of Generation of Runaway Electrons
The formation of a negative streamer in air is investigated at different pressures in a sharply nonuniform electric field under the conditions of nanosecond and subnanosecond breakdowns. The investigations are...
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Article
Measuring and Modeling Streamer Velocity at an Air Discharge in a Highly Inhomogeneous Electric Field
The velocities of the positive and negative streamers in the air at atmospheric pressure are experimentally, theoretically, and computationally studied at the discharge of the needle–plane gap by the nanosecon...
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Article
On the Influence of Electron Energy on Characteristics of the Cherenkov Radiation and Cathodoluminescence
A review of the results of investigations of the Cherenkov radiation (CR) and pulsed cathodoluminescence during irradiation of different crystals and polymethylmethacrylate (PMMA) with subnanosecond and nanose...
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Article
Beaded Discharges Formed under Pulsed Breakdowns of Air and Nitrogen
The mode of a pulsed discharge in a nonuniform electric field is investigated at which bright plasma bunches with a beaded structure are generated in atmospheric-pressure air. Using an ICCD camera, it is found...
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Article
Light Emission from Crystals Excited by a 110-ps Pulsed Electron Beam
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Article
Spectral and Kinetic Characteristics of the Luminescence of Ga2O3 Crystals Excited by Nano- and Subnanosecond Electron Beams
The spectral and kinetic characteristics of the emission of Sn- and Fe-doped Ga2O3 crystals excited by a nanosecond electron beam are studied. A new cathodoluminescence band of the Fe-doped crystal is revealed wi...
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Article
Streamer Breakdown of Atmospheric-Pressure Air in a Non-Uniform Electric Field at High Overvoltages
Experimental and theoretical investigations of a breakdown of atmospheric-pressure air are performed in a strongly non-uniform electric field. Using an ICCD-camera, the dynamics of formation of streamer and di...
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Article
Formation of Wide Streamers during a Subnanosecond Discharge in Atmospheric-Pressure Air
Results are presented from experimental and computational studies of a subnanosecond breakdown of atmospheric-pressure air in a nonuniform electric field. It is shown that the ionization waves (streamers) form...
