NDLI: Laser spectroscopy measurements of the effective temperature of argon ions in the PNX-U plasma neutralizer

Content Provider	Springer Nature Link
Author	Moskalenko, I. V. Molodtsov, N. A. Zhil'tsov, V. A. Skovoroda, A. A. Shcheglov, D. A.
Copyright Year	2004
Abstract	Laser spectroscopy measurements of the effective temperature of Ar$^{1+}$ ions in the PNX-U multipole trap, in which argon plasma is ionized and heated by microwaves under electron-cyclotron-resonance conditions, are performed using a narrow-band tunable dye laser. The absorption profile of the 611.5-nm line is examined. In a microwave power range of 5–50 kW, the observed behavior of the effective temperature of argon ions T $_{ i, eff}$ indicates an anomalous mechanism for ion heating. It is shown that certain information about the electron temperature can be deduced from measurements by the laser-induced fluorescence (LIF) technique. The measurements performed also serve to test the laser technique and apparatus that is presently being developed for diagnosing additives to the ITER divertor plasma by the LIF method.
Starting Page	432
Ending Page	436
Page Count	5
File Format	PDF
ISSN	1063780X
Journal	Plasma Physics Reports
Volume Number	30
Issue Number	5
e-ISSN	15626938
Language	English
Publisher	Nauka/Interperiodica
Publisher Date	2004-01-01
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Atoms, Molecules, Clusters and Plasmas
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics

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Laser spectroscopy measurements of the effective temperature of argon ions in the PNX-U plasma neutralizer