Resonantly enhanced three-photon ionization of krypton

D. B. Geohegan, A. W. McCown, J. G. Eden

Research output: Contribution to journalArticle

Abstract

The cross section for three-photon ionization of ground-state krypton at λ=193 nm (ArF laser) has been determined. In these experiments, a microwave-absorption technique provided real-time detection of electrons along with measurements of the absolute electron density. Due to a two-photon resonance with the 6p[(3/2)]2 level, the photoelectron number density was observed to vary quadratically with ArF laser intensity for IArF beyond 50-100 MW cm-2 and Kr pressures below 50 Torr.

Original languageEnglish (US)
Pages (from-to)269-275
Number of pages7
JournalPhysical Review A
Volume33
Issue number1
DOIs
StatePublished - Jan 1 1986

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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