Diagnosis of ion velocity distribution from pin to plate geometry in atmospheric argon dielectric barrier discharge

Journal Article · Mon Jul 15 00:00:00 EDT 2013 · Physics of Plasmas

DOI:https://doi.org/10.1063/1.4816024· OSTI ID:22227981

Qi, Bing; Pan, Lizhu; Huang, Jianjun; Liu, Ying ^[1]

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1. Applied Low Temperature Plasma Laboratory, Shenzhen Key Laboratory of Sensors Technology, School of Physics, Shenzhen University, Shenzhen 518060 (China)

A new method, fast Fourier transform, is presented to calculate ion velocity distribution by analyzing electromagnetic radiation signal from plasma. This method is based on a dipole model that does not require the assumption of thermodynamic equilibrium. To understand the discharge evolution, the ion velocity distribution is calculated in different oscillation cycles. Results show that the ion velocity distribution deviates from Maxwell distribution over time. The ion velocity and relative ion number fluctuate regularly with time.

• OSTI ID: 22227981
• Journal Information: Physics of Plasmas, Vol. 20, Issue 7; Other Information: (c) 2013 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 1070-664X
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
ARGON
BOLTZMANN STATISTICS
DIPOLES
ELECTRIC DISCHARGES
ELECTROMAGNETIC RADIATION
FLUCTUATIONS
FOURIER TRANSFORMATION
IONS
OSCILLATIONS
PLASMA DIAGNOSTICS
PLASMA WAVES
THERMODYNAMICS