Plasma probe system with automatic sweep adjustment

Plasma probe system with automatic sweep adjustment

The capabilities of the pulsed Langmuir probe technique have been expanded to operate in charged particle environments having spatial and temporal variations in plasma or reference–electrode potentials. This practice is implemented by logic circuitry which tracks local floating potentials and adjust...

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Bibliographische Detailangaben
Veröffentlicht in:Rev. Sci. Instrum.; (United States) 1981-03, Vol.52 (3), p.377-381
Hauptverfasser: Holmes, J. C., Szuszczewicz, E. P.
Format: Artikel
Sprache:eng
Schlagworte:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
CHARGED PARTICLES
DISTRIBUTION
ELECTRIC POTENTIAL
ELECTRIC PROBES
ELECTRODES
ELECTRONIC CIRCUITS 700102 > Fusion Energy-- Plasma Research-- Diagnostics
FEEDBACK
LANGMUIR PROBE
LOGIC CIRCUITS
OPTIMIZATION
PLASMA DIAGNOSTICS
PROBES
PULSES
SPATIAL DISTRIBUTION
TIME DEPENDENCE
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Beschreibung
Zusammenfassung:The capabilities of the pulsed Langmuir probe technique have been expanded to operate in charged particle environments having spatial and temporal variations in plasma or reference–electrode potentials. This practice is implemented by logic circuitry which tracks local floating potentials and adjusts automatically the sweep center voltage to guarantee a complete current–voltage characteristic with minimum sweep voltage excursion.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.1136605