Experimental and theoretical investigation of waves and resonances of a bounded hot electron, cold ion magnetized plasma

V. P. Bhatnagar, G. Van Oost, A. M. Messiaen, P. E. Vandenplas

Research output: Contribution to journalArticlepeer-review

Abstract

A plasma column is produced by diffusion along a steady magnetic field by a helical microwave discharge source located at one end of a linear machine. Waves in the plasma are electrostatically excited by a split-cylindrical, slow-wave structure. Movable well-balanced RF double probes are used to measure RF electric field amplitude as a function of frequency. This frequency domain includes the Trivelpiece-Gould (T-G) mode (fLH<f<f pe), surface wave mode, electrostatic ion cyclotron mode (f ci<f<fLH) and ion-acoustic mode (f<or approximately=fci). Experimentally observed resonances and dispersion curves of the bounded plasma system are in good agreement with theory for ion-acoustic waves, surface waves and T-G mode.

Original languageEnglish
Article number004
Pages (from-to)525-540
Number of pages16
JournalPlasma Physics
Volume18
Issue number7
DOIs
Publication statusPublished - 1976

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