Two-dimensional structure of PDP micro-discharge plasmas obtained using laser Thomson scattering

Safwat Hassaballa, Masaaki Yakushiji, Young Kee Kim, Kentaro Tomita, Kiichiro Uchino, Katsunori Muraoka

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

Laser Thomson scattering (LTS) has been applied for measurements of the electron density and electron temperature in micro-discharge plasmas for plasma-display panel research. A brief description of the method for overcoming the sparsity of scattered photons by the data accumulation technique is presented. Then, the technique of applying LTS to micro-discharge plasmas is described where the use of a specially designed triple-grating spectrometer has turned out to be essential. Improvements in the experimental setup to allow, for the first time, to collect laser LTS spectra at heights as close as to 60 μm from the electrode surface are discussed. Spatial distributions of the electron density and electron temperature in the vertical direction above the electrode surface are presented. Finally, an extension of the measurements into two-dimensions, namely along the electrode surface and at different heights above the electrodes enabling to cover the discharge front to be made, are presented and compared with the results of optical emission measurements.

Original languageEnglish
Pages (from-to)127-134
Number of pages8
JournalIEEE Transactions on Plasma Science
Volume32
Issue number1 I
DOIs
Publication statusPublished - Feb 1 2004

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Thomson scattering
plasma jets
electrodes
lasers
electron energy
light emission
spatial distribution
gratings
spectrometers
temperature
photons

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Condensed Matter Physics

Cite this

Two-dimensional structure of PDP micro-discharge plasmas obtained using laser Thomson scattering. / Hassaballa, Safwat; Yakushiji, Masaaki; Kim, Young Kee; Tomita, Kentaro; Uchino, Kiichiro; Muraoka, Katsunori.

In: IEEE Transactions on Plasma Science, Vol. 32, No. 1 I, 01.02.2004, p. 127-134.

Research output: Contribution to journalArticle

Hassaballa, Safwat ; Yakushiji, Masaaki ; Kim, Young Kee ; Tomita, Kentaro ; Uchino, Kiichiro ; Muraoka, Katsunori. / Two-dimensional structure of PDP micro-discharge plasmas obtained using laser Thomson scattering. In: IEEE Transactions on Plasma Science. 2004 ; Vol. 32, No. 1 I. pp. 127-134.
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