Resonance trapping effects in stepwise electron/laser excitation

J. B. Wang*, A. G. Mikosza, R. Hippler, J. F. Williams

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


This paper considers the relaxation processes in stepwise electron/laser excitations that are affected by radiation trapping. The pressure dependence of the observed linear and circular polarisations is examined and quantified. An extrapolation to zero pressure is found to be significantly different from a linear fitting procedure. This enables the extraction of true values of the state multipoles, which describe the alignment and orientation of the mercury 61P1 state immediately after electron-impact excitation.

Original languageEnglish
Pages (from-to)121-128
Number of pages8
JournalJournal of Electron Spectroscopy and Related Phenomena
Issue number2
Publication statusPublished - 31 Oct 1995
Externally publishedYes


  • Pressure dependence
  • Radiation trapping
  • Stepwise electron/laser excitation


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