Control of current and voltage oscillations in a short dc discharge making use of external auxiliary electrode | Zendy

А. С. Мустафаев | Zendy; V. I. Demidov | Zendy; Igor Kaganovich | Zendy; Steven Adams | Zendy; M. E. Koepke | Zendy; A. Grabovskiy | Zendy

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Control of current and voltage oscillations in a short dc discharge making use of external auxiliary electrode

Author(s) -

А. С. Мустафаев,

V. I. Demidov,

Igor Kaganovich,

Steven Adams,

M. E. Koepke,

A. Grabovskiy

Publication year - 2012

Publication title -

review of scientific instruments

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.605

H-Index - 165

eISSN - 1089-7623

pISSN - 0034-6748

DOI - 10.1063/1.4757111

Subject(s) - current (fluid) , anode , electrode , cathode , voltage , materials science , direct current , range (aeronautics) , plasma , oscillation (cell signaling) , mechanics , electrical engineering , optoelectronics , physics , chemistry , composite material , biochemistry , quantum mechanics , engineering

A dc discharge with a hot cathode is subject to current and voltage plasma oscillations, which have deleterious effects on its operation. The oscillations can be inhibited by installing an auxiliary electrode, placed outside of anode. By collecting a modest current through a small opening in anode, we show that the discharge becomes stable, in a certain pressure range. This method of avoiding current oscillations can be used, for example, for high current stabilizers.

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