Laser resonance scattering studies of the development of a potential step in a low-density dc discharge in hydrogen

Kiichiro Uchino, Kazuyuki Koga, Yoshito Sonoda, Katsunori Muraoka, Masanori Akazaki

研究成果: Contribution to journalArticle

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The populations of hydrogen atoms in the excited states (In=2 and 3) across the potential step in a DC discharge at low pressure have been measured bylaser resonance scattering, with the laser tuned to the Balmer alpha transition (Hα, wavelength 656.3 nm). The results were used first to deduce the amplitude of the ion-acoustic turbulence, which was excited by the electron-ion streaming instability at the step. The amplitude was high enough to explain the anomalously high electrical resistivity there. Second, the results were used to discuss the cause of the luminosity jump, due to the behavior of electrons distributed in the potential of the ion-acoustic turbulence.

元の言語英語
ページ(範囲)906-911
ページ数6
ジャーナルJapanese journal of applied physics
21
発行部数6R
DOI
出版物ステータス出版済み - 6 1982

All Science Journal Classification (ASJC) codes

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

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