Four-electrode probe for plasma studies in the GOL-NB multiple-mirror trap

A system of four-electrode Langmuir probes developed for the GOL-NB multiple-mirror trap is discussed. The system is used for studies of a low-temperature start plasma (10 19 –10 20 m -3 , 5 eV) that fills the device during the initial phase of the experiment. The probe allows simultaneous measureme...

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Bibliographic Details
Published in:Journal of instrumentation 2021-11, Vol.16 (11), p.T11006
Main Authors: Sidorov, E.N., Batkin, V.I., Burdakov, A.V., Ivanov, I.A., Kuklin, K.N., Mekler, K.I., Nikishin, A.V., Postupaev, V.V., Rovenskikh, A.F.
Format: Article
Language:English
Subjects:
Data acquisition circuits
Electric fields
Electron energy
Low temperature
Plasma density
Plasma diagnostics - probes
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Summary:A system of four-electrode Langmuir probes developed for the GOL-NB multiple-mirror trap is discussed. The system is used for studies of a low-temperature start plasma (10 19 –10 20 m -3 , 5 eV) that fills the device during the initial phase of the experiment. The probe allows simultaneous measurements of plasma density, electron temperature and radial electric field. The accuracy of the probe measurements is also discussed.
ISSN:1748-0221
1748-0221
DOI:10.1088/1748-0221/16/11/T11006