Extremely fast formation of anode spots in an atmospheric discharge points to a fundamental ultrafast breakdown mechanism

EV Parkevich, MA Medvedev… - Plasma Sources …, 2019 - iopscience.iop.org
By employing multi-frame laser interferometry, shadow, and schlieren imaging, we trace the
formation of a nanosecond spark discharge in millimeter-sized air gaps formed by a point …

The role of fast electrons in diffuse discharge formation: Monte Carlo simulation

NY Babaeva, C Zhang, J Qiu, X Hou… - Plasma Sources …, 2017 - iopscience.iop.org
In this paper, we report on results from a computational investigation of nanosecond pulsed
discharges in air of negative polarity using a two-dimensional fluid and fluid-Monte Carlo …

Recent studies on nanosecond-timescale pressurized gas discharges

S Yatom, A Shlapakovski, L Beilin… - Plasma Sources …, 2016 - iopscience.iop.org
The results of recent experimental and numerical studies of nanosecond high-voltage
discharges in pressurized gases are reviewed. The discharges were ignited in a diode filled …

Mechanisms responsible for the initiation of a fast breakdown in an atmospheric discharge

EV Parkevich, GV Ivanenkov… - Plasma Sources …, 2018 - iopscience.iop.org
The initial stage of the fast electrical breakdown of an air gap with a pin-to-plane electrode
geometry is studied on a nanosecond time scale using multi-frame laser probing with an …

Diagnostics of plasma–liquids systems: Challenges and their mitigation

S Yatom - Physics of Plasmas, 2023 - pubs.aip.org
This article will review two popular methods of laser diagnostics in a plasma–liquid system
and generally in low-temperature plasmas. These are Thomson scattering and laser …

Characteristics of three-electrode pulsed surface dielectric barrier discharge: streamer-to-spark transition and hydrodynamic expansion

B Peng, N Jiang, K Shang, N Lu, J Li… - Journal of Physics D …, 2022 - iopscience.iop.org
Streamer-to-spark transition and hydrodynamic expansion in a three-electrode pulsed
surface dielectric barrier discharge are studied under atmospheric-pressure air. Three …

Electric field in a plasma channel in a high-pressure nanosecond discharge in hydrogen: A coherent anti-stokes Raman scattering study

S Yatom, S Tskhai, YE Krasik - Physical review letters, 2013 - APS
Experimental results of a study of the electric field in a plasma channel produced during
nanosecond discharge at a H 2 gas pressure of (2− 3)× 1 0 5 Pa by the coherent anti-Stokes …

Spectroscopic study of plasma evolution in runaway nanosecond atmospheric-pressure He discharges

S Yatom, E Stambulchik, V Vekselman, YE Krasik - Physical Review E …, 2013 - APS
Time-and space-resolved visible-emission spectroscopy measurements are applied to study
plasma parameters in nanosecond electrical discharges in He gas at pressure of 10 5 Pa …

Features of the secondary runaway electron flow formed in an elongated, atmospheric pressure air gap

MI Yalandin, AG Sadykova, KA Sharypov… - Physics of …, 2020 - pubs.aip.org
We investigate the formation of a secondary flow of runaway electrons with energies on the
order of 100 keV in an air gap after the passage of a primary picosecond flow of similar fast …

Plasma density evolution during nanosecond discharge in hydrogen gas at (1–3)× 105 Pa pressure

S Yatom, YE Krasik - Journal of Physics D: Applied Physics, 2014 - iopscience.iop.org
The results of a study of the nanosecond discharge in H 2 gas at pressures of (1–3)× 10 5
Pa using fast-framing photography and space-and time-resolved spectroscopy are …