Experimental and numerical study of electromagnetic effects on resonance cones

U. Kortshagen, A. Piel

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

The resonance cone (rc) diagnostic is usually based on kinetic theory within the electrostatic approximation. Numerical and experimental results are presented, which reveal the influence of the neglected electromagnetic terms in the dispersion relation. In the near field a shift of the rc toward smaller angles occurs, which may be important at high electron densities and temperatures. In the far field the phase variation inside the cone turns out to be useful as a new electron density diagnostic in the regime of high densities, where the rc diagnostic was previously not applicable.

Original languageEnglish (US)
Pages (from-to)538-544
Number of pages7
JournalPhysics of Fluids B
Volume1
Issue number3
DOIs
StatePublished - Jan 1 1989

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