VUV emission from a cylindrical dielectric barrier discharge in Ar and in Ar/N2 and Ar/air mixtures

N. Masoud, K. Martus, K. Becker

Research output: Contribution to journalArticle

Abstract

The vacuum ultraviolet (VUV) emissions from a cylindrical dielectric barrier discharge (C-DBD) excited by radio frequency (rf) power at 13.56 MHz in both pure Ar and mixtures of Ar with N2 and air were analysed. Measurements of the relative emission intensity of the excimer second continuum in pure argon were carried out as a function of pressure, rf power and gas flow rate. In Ar-N2 and Ar-air mixtures, we studied the emission of the N I and O I atomic lines as a function of N2/air concentration and total pressure. Channels of energy transfer from the argon metastables and excimers to atomic nitrogen and oxygen in excited Ar-N2 (Ar-air) mixtures were analysed based on the dependence of the intensity of the VUV emissions on the discharge operating parameters and the gas mixture.

Original languageEnglish (US)
Pages (from-to)1674-1683
Number of pages10
JournalJournal of Physics D: Applied Physics
Volume38
Issue number11
DOIs
StatePublished - Jun 7 2005

Fingerprint

ultraviolet emission
Vacuum
vacuum
Argon
air
excimers
Air
radio frequencies
argon
Gas mixtures
Discharge (fluid mechanics)
Energy transfer
gas flow
gas mixtures
Flow of gases
Nitrogen
flow velocity
energy transfer
Flow rate
Oxygen

Keywords

  • Dielectric barrier discharge
  • Plasma
  • VUV light source

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

VUV emission from a cylindrical dielectric barrier discharge in Ar and in Ar/N2 and Ar/air mixtures. / Masoud, N.; Martus, K.; Becker, K.

In: Journal of Physics D: Applied Physics, Vol. 38, No. 11, 07.06.2005, p. 1674-1683.

Research output: Contribution to journalArticle

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