Measurements of electron temperature and density of a micro-discharge plasma using laser thomson scattering

Y. Noguchi, A. Matsuoka, M. D. Bowden, Kiichiro Uchino, K. Muraoka

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Laser Thomson scattering was successfully applied to measure electron temperature (Te) and electron density (ne) in a micro-discharge plasma. This is the first time that this method has been used to obtain otherwise inaccessible plasma information from the near vicinity (0.3 mm) of a material surface. The key of the success was the suppression of strong stray laser light by using a triple-grating spectrometer. Values of electron temperature and density were Te = (0.4-1.6) eV and ne = (6-10) × 1018 m-3, depending on the time from the beginning of the pulsed discharge. The technique developed here is readily applicable to plasma display panel (PDP) discharges.

Original languageEnglish
Pages (from-to)326-329
Number of pages4
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume40
Issue number1
DOIs
Publication statusPublished - Jan 1 2001

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Thomson scattering
Electron temperature
laser plasmas
plasma jets
Carrier concentration
Scattering
electron energy
Plasmas
Lasers
lasers
Diffraction gratings
retarding
gratings
spectrometers
Spectrometers
Display devices
temperature
Temperature

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Measurements of electron temperature and density of a micro-discharge plasma using laser thomson scattering. / Noguchi, Y.; Matsuoka, A.; Bowden, M. D.; Uchino, Kiichiro; Muraoka, K.

In: Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, Vol. 40, No. 1, 01.01.2001, p. 326-329.

Research output: Contribution to journalArticle

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