Detachment of a microwave-excited plasmoid from molten glass

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The evolution of a plasmoid (fireball) ejected by localized microwaves from a solid substrate is presented. The plasmoid is first fed by the substrate material (glass in this case) through a plasma column, which is detached from the substrate, and then evolves as a stable fireball buoyant in the air atmosphere. The experimental characterization of these fireballs is presented, and their resemblance to the ball lightning in nature is indicated.

Original languageEnglish
Article number5772018
Pages (from-to)2198-2199
Number of pages2
JournalIEEE Transactions on Plasma Science
Issue number11 PART 1
StatePublished - Nov 2011


  • Atmospheric-pressure plasmas
  • microwave ovens
  • plasma material processing
  • plasma sources


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