Pulsed electrostatic probes as a diagnostic for transient plasmas | Zendy

K.F. Schoenberg | Zendy

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Pulsed electrostatic probes as a diagnostic for transient plasmas

Author(s) -

K.F. Schoenberg

Publication year - 1978

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 - 10.1063/1.1135274

Subject(s) - transient (computer programming) , plasma , atomic physics , electron , energy (signal processing) , plasma diagnostics , ion , distribution function , isotropy , data acquisition , physics , cathode ray , computational physics , materials science , optics , computer science , nuclear physics , quantum mechanics , operating system

A pulsed, electrostatic probe data acquisition system, applicable to transient or noisy plasmas, is presented. The system digitally records a probe characteristic, and its first and second derivatives. The latter are shown to be proportional to the projected electron energy distribution function, and the isotropic electron energy distribution function, respectively. The acquisition system and its experimental accuracy are discussed. Using the Lawrence Berkeley Laboratory 10-A neutral beam ion source, several examples demonstrating the systems application to transient plasmas are given.

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