Measurements of the Plasma Parameters in a Mirror Trap by Means of Laser-Induced Fluorescence

Results of measurements of the absolute density of ArII ions in a mirror trap with a toroidal divertor are presented. The ion density was measured by the method of laser-induced fluorescence with the use of ArII metastable states. A technique is proposed to estimate the plasma electron temperature f...

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Bibliographic Details
Published inPlasma physics reports Vol. 44; no. 9; pp. 791 - 798
Main Authors Kutuzov, D. S., Moskalenko, I. V., Bragin, E. Yu, Zhil’tsov, V. A., Yanchenkov, S. V.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.09.2018
Springer Nature B.V
Subjects
Atomic
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
DIVERTORS
Electron energy
ELECTRON TEMPERATURE
FLUORESCENCE
ION DENSITY
Ion density (concentration)
Laser induced fluorescence
LASERS
Metastable state
METASTABLE STATES
Molecular
Optical and Plasma Physics
Physics
Physics and Astronomy
PLASMA
Plasma Diagnostics
SIGNALS
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Summary:Results of measurements of the absolute density of ArII ions in a mirror trap with a toroidal divertor are presented. The ion density was measured by the method of laser-induced fluorescence with the use of ArII metastable states. A technique is proposed to estimate the plasma electron temperature from the ratio of the fluorescence signals obtained by comparing the intensities of different optical transitions of ArII.
ISSN:1063-780X
1562-6938
DOI:10.1134/S1063780X18090076