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Spectral studies of Nd3+ and Er3+ ions in POCl3:SnCl4 laser liquid

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Abstract

The optical absorption spectra of triply ionized neodymium and erbium ions in POCl3∶SnCl4 laser liquid have been studied for the first time in the UV-VIS and NIR regions. Spectroscopic and Judd-Ofelt intensity parameters are evaluated from the observed band positions and their intensities. Radiative lifetimes and the luminescent branching ratios for the excited fluorescent levels of Nd3+ and Er3+ ions are theoretically estimated and the possible laser transitions are indicated. From the observed splittings of certain bands in the second-derivative spectrum of the Nd3+ ion, the crystal field (A 20,A 40) parameters are evaluated assumingC 3h symmetry for the ion.

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Authors and Affiliations

  1. Spectroscopic and Chemical Physics Laboratories, Department of Physics, S. V. University, 517 502, Tirupati, India

    S. V. J. Lakshman & L. Rama Moorthy

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  1. S. V. J. Lakshman
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  2. L. Rama Moorthy
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Lakshman, S.V.J., Moorthy, L.R. Spectral studies of Nd3+ and Er3+ ions in POCl3:SnCl4 laser liquid. Appl. Phys. A 38, 285–291 (1985). https://doi.org/10.1007/BF00616065

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  • DOI: https://doi.org/10.1007/BF00616065

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