Ion heating in the HELIX helicon plasma source | Zendy

J. L. Kline | Zendy; Earl Scime | Zendy; Paul Keiter | Zendy; M. M. Balkey | Zendy; Robert Boivin | Zendy

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Ion heating in the HELIX helicon plasma source

Author(s) -

J. L. Kline,

Earl Scime,

Paul Keiter,

M. M. Balkey,

Robert Boivin

Publication year - 1999

Publication title -

physics of plasmas

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.75

H-Index - 160

eISSN - 1089-7674

pISSN - 1070-664X

DOI - 10.1063/1.873764

Subject(s) - helicon , plasma , atomic physics , physics , ion , cyclotron , ion cyclotron resonance , argon , distribution function , nuclear physics , quantum mechanics

Efficient ion heating in a steady-state helicon plasma source is observed with two external loop antennae just above the ion cyclotron frequency. The ion velocity space distribution is measured by laser induced fluorescence in an argon plasma. The measured bulk ion heating is highly anisotropic (the perpendicular temperature increase is ten times the parallel temperature increase) even though the plasma is moderately collisional. Measurements of the perturbed distribution function with laser induced fluorescence suggest that an electrostatic ion cyclotron wave is launched.

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