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Radiative lifetimes of Cd I and Cd II excited states

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Author

Summary, in English

Radiative lifetimes of 11 levels in Cd I belonging to the 5s5p <sup>1</sup>p<sup>o</sup><sub>1</sub> and 5snd <sup>3</sup>D<sub>1,2</sub>(n=6-9) and 5sns <sup>3</sup>S<sub>1</sub> (n=7,8) series, and of 5 levels of Cd II belonging to the 4d<sup>10</sup>5p <sup>2</sup>p<sup>o</sup><sub>1/2,3/2,</sub> 4d<sup>10</sup>6s <sup>2</sup>S<sub>1/2,</sub> and 4d<sup>10</sup>5d <sup>2</sup>D<sub>3/2,5/2</sub> configurations were measured using the time-resolved laser-induced fluorescence technique. Free neutral and singly ionized cadmium were generated by laser ablation. Single- or two-step excitation processes were used to populate the levels under study. Transition probabilities and oscillator strengths for Cd I and Cd II transitions were also deduced by combining the experimental lifetimes and theoretical branching fractions obtained in multiconfigurational relativistic Hartree-Fock calculations, taking core-polarisation effects into account

Department/s

Publishing year

2003

Language

English

Pages

359-366

Publication/Series

Proceedings of the SPIE - The International Society for Optical Engineering

Volume

5449

Issue

1

Document type

Conference paper

Publisher

SPIE

Topic

  • Atom and Molecular Physics and Optics

Keywords

  • excitation processes
  • transition probability
  • laser ablation
  • ionised cadmium generation
  • free neutral cadmium generation
  • configuration measurement
  • time-resolved laser-induced fluorescence technique
  • radiative lifetimes
  • excited states
  • core-polarisation effect
  • Hartree-Fock calculations
  • branching fraction
  • oscillator strength
  • Cd

Conference name

Eighth International Conference on Laser and Laser Information Technologies

Conference date

2003-09-27 - 2003-10-01

Conference place

Smolyan, Bulgaria

Status

Published

ISBN/ISSN/Other

  • ISSN: 1996-756X
  • ISSN: 0277-786X