Journal of East China Normal University(Natural Sc ›› 2005, Vol. 2005 ›› Issue (5/6): 147-151,.

• Article • Previous Articles     Next Articles

Molecular Ionic Density Diagnosis in Glow Discharge by Velocity Modulation Spectroscopy(Chinese)

GONG Tian-lin1, 2,YANG Xiao-hua1,HAN Liang-kai2,CHEN Yang-qin1


  1. 1.Key Laboratory of Optical & Magnetic Resonance Spectroscopy, Ministry of Education, Department of Physics, East China Normal University, Shanghai200062, China;2.School of Science, Nantong University, Nantong, Jiangsu226007, China
  • Received:2004-01-05 Revised:2004-05-19 Online:2005-12-31 Published:2005-12-31
  • Contact: YANG Xiao-hua

Abstract: The density of molecular ions together with the temperature and the electric intensity in the positive column can be diagnosed when studying the dependence of spectral intensity and line-width on some experimental parameters by velocity modulation spectroscopy. The ionic density was theoretically and experimentally studied in this paper, and the good agreement suggests that the velocity modulation spectroscopy can non-intrusively diagnose the ionic density in plasma.

Key words: ionic density, velocity modulation, diagnosis, ionic density, velocity modulation

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