Diagnostics of Helium-Argon Arc Discharge Plasma Based on Spectral Line Shape Measurements

• Authors: T. Wujec , J. Musiełok
• Languages of publication: EN

Abstracts

EN

Electron densities and ion (gas) temperatures on the axis of an arc discharge plasma, produced at atmospheric pressure in a gas mixture of 95% helium and 5% argon, are determined at two arc currents. The evaluation of both main plasma parameters is based on line shape measurements, the ion temperature on the Doppler broadening of selected ArII lines, while the electron density on the Stark broadening of the hydrogen H_{β} line which appear in the spectrum due to hydrogen traces in the applied gases. The significance of reliable plasma diagnostics for determination of atomic structure data is discussed.

Keywords

EN

32.30.-r; 32.70.-n; 52.25.-b

Discipline

• 32.30.-r: Atomic spectra (see also 78.47.J- Ultrafast spectroscopy)
• 52.25.-b: Plasma properties(for chemical reactions in plasma, see 82.33.Xj)
• 32.70.-n: Intensities and shapes of atomic spectral lines(see also 31.15.-p Calculations and mathematical techniques)

• Journal: Acta Physica Polonica A
• Year: 1999
• Volume: 95
• Issue: 2
• Pages: 221-230

Dates

published

1999-02

received

1998-10-02

(unknown)

1998-11-27

Contributors

author

T. Wujec

• Institute of Physics, Opole University, Oleska 48, 45-052 Opole, Poland

author

J. Musiełok

• Institute of Physics, Opole University, Oleska 48, 45-052 Opole, Poland

Identifiers

DOI

10.12693/APhysPolA.95.221