Measurements of electric-field strengths in ionization fronts during breakdown

E. Wagenaars, M.D. Bowden, G.M.W. Kroesen

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Abstract

Using laser-induced fluorescence-dip Stark spectroscopy, we performed time-resolved, direct measurements of elec.-field strengths during the breakdown phase of a low-pressure, pulsed discharge in xenon. With this exptl. technique we could for the first time quant. measure the time evolution of the driving force of the plasma breakdown process: the elec. field. Moving ionization fronts were measured with submicrosecond resoln. These ionization fronts were sustained by a spatially narrow, rapidly moving region of strong elec. field. [on SciFinder (R)]
Original languageEnglish
Article number075002
Pages (from-to)075002-1/4
JournalPhysical Review Letters
Volume98
Issue number7
DOIs
Publication statusPublished - 2007

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