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A self-consistent LTE model of a microwave-driven, high-pressure sulfur lamp

  • C.W. Johnston
  • , H.W.P. Heijden, van der
  • , G.M. Janssen
  • , J. Dijk, van
  • , J.J.A.M. Mullen, van der

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

A one-dimensional LTE model of a microwave-driven sulfur lamp is presented to aid our understanding of the discharge. The energy balance of the lamp is determined by Ohmic input on one hand and transport due to conductive heat transfer and molecular radiation on the other. We discuss the origin of operational trends in the spectrum, present the model and discuss how the material properties of the plasma are determined. Not only are temperature profiles and electric field strengths simulated but also the spectrum of the lamp from 300 to 900 nm under various conditions of input power and lamp filling pressure. We show that simulated spectra demonstrate observed trends and that radiated power increases linearly with input power as is also found from experiment.
Original languageEnglish
Pages (from-to)342-351
JournalJournal of Physics D: Applied Physics
Volume35
Issue number4
DOIs
Publication statusPublished - 2002

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