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Title: Plasma Diagnostics Using Two-Component Neutral Beam
Authors: MASAMUNE, Sadao
OKADA, Hiroyuki
NISHIHARA, Hiroshi
Issue Date: 31-Mar-1984
Publisher: Faculty of Engineering, Kyoto University
Journal title: Memoirs of the Faculty of Engineering, Kyoto University
Volume: 46
Issue: 1
Start page: 1
End page: 13
Abstract: A method is proposed for simultaneously determining the electron temperature and the density of a plasma by using a two-component neutral beam of argon and hydrogen. The feasibility of this method has been demonstrated on the tokamak NOVA II, using an argon and a hydrogen beam separately. The electron temperature was determined from the attenuation of an argon beam. In the central electron temperature from 100 to 250 eV, the results obtained are in good agreement with the line-averaged values of the electron temperature estimated from the temperature and density profiles which have been measured by the Thomson scattering. The ion density was determined with a hydrogen beam, and was found to be consistent with the electron density measured by microwave inter-ferometry. This method of a two-component neutral beam probing can be applied to the diagnostics of the scrape-off layer plasmas in large devices.
URI: http://hdl.handle.net/2433/281259
Appears in Collections:Vol.46 Part 1

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