• Absorption and laser excited fluorescence of Ho3+:LaF3

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      https://www.ias.ac.in/article/fulltext/pram/010/05/0467-0475

    • Keywords

       

      Ho2+:LaF3; polarized absorption and fluorescence; symmetry classification

    • Abstract

       

      The absorption and fluorescence spectra of Ho3+:LaF3, in the wavelength region from 4000 Å to 7500 Å have been reinvestigated incorporating polarization features, for the first time. The fluorescence spectrum, recorded using a spectrophotometer assembled in the laboratory, was excited with a He-Ne laser and an Ar+ laser. The present study enabled the interpretation of the data in terms of theC2v site symmetry of Ho3+ and most of the Stark components of the observed states have been classified under the irreducible representations of theC2v point group.

    • Author Affiliations

       

      Bansi Lal1 D Ramachandra Rao1

      1. Department of Physics, Indian Institute of Technology, Kanpur - 208 016
    • Dates

       
  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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