« Essential Guide to the EU – Chapter 6
Currents, Filaments and Pinches

plasma lamp, Luc Viatour


A small plasma lamp’s central cathode is surrounded by an excited spherical current sheet which is attracted to the outer glass shell (anode). Where the current extends outward from the surface sheet it forms filamentary structures as it propagates through the low pressure medium within the lamp. Photo credit: Luc Viatour / www.lucnix.be

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