Mechanisms of level population in gas lasers pumped by ionizing radiation

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Abstract

The mechanisms of level population in high pressure gas lasers pumped by ionizing radiation at the 3p-3s transitions of neon, the d-p transitions of argon, krypton, xenon, and triplet lines of mercury are analyzed. It is shown that dissociative recombination of molecular ions with electrons is not the basic process responsible for populating the p levels of inert gas atoms. It is assumed that the most likely channel for d-level population is direct excitation of atoms by secondary electrons and excitation transfer from buffer gas atoms, with p levels being populated by transitions from upper levels. Dissociative recombination of mercury molecular ions with electrons is the basic process responsible for populating the 73 S 1 level of mercury atoms.

Original languageEnglish
Pages (from-to)501-508
Number of pages8
JournalLaser and Particle Beams
Volume32
Issue number3
DOIs
Publication statusPublished - Sep 2014

Keywords

  • Keywords Laser
  • Mercury
  • Nuclear pumping
  • Population mechanism
  • Rare gases

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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