Dual Optical and Electrostatic Diagnostics of Ionisation Waves Propagating in Discharge Lamps During Ignition

M.F. Gendre, M. Haverlag, H.C.M. Nieuwenhuizen, van den, G.M.W. Kroesen

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

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Abstract

Time and space evolutions of the surface electrostatic potential and light emission of low-pressure lamps were investigated during their ignition phases. Observations show that an ionisation wave starts first near the cathode and then propagates back and forth in the lamp with decreasing speed in time and space. These waves were found to be driven by a localized region of strong potential gradient. The condition of successful ignition was found to be that the E/p value in front of the first ionisation wave has to be above a threshold value for the wave to reach the opposite electrode.
Original languageEnglish
Title of host publicationProceedings of the 27th International Conference on Phenomena in Ionised Gases (XXVII ICPIG 2005) 17-22 July 2005, Eindhoven, the Netherlands
Pages13-345-
Publication statusPublished - 2005

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