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Dependence of the Er2O3 selective emission on the intensity of laser thermal excitation

  • Interaction of Laser Radiation with Matter
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Laser Physics

Abstract

The dependence of the selective emission (SE) spectra of erbium oxide (Er2O3) in the visible and near-IR spectral ranges on the laser excitation intensity at a wavelength of 10.6 μ m is experimentally studied. The intensity ratio for the Er3+ electronic and vibronic transitions in the SE spectra is varied with an increase in the laser intensity to 10 kW/cm2. The mechanism for the multiphonon fluctuation excitation of electronic states and a possibility for the SE application in the observation of the thermo-photo-laser effect are discussed.

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Authors and Affiliations

  1. General Physics Institute, Russian Academy of Sciences, ul. Vavilova 38, Moscow, 119991, Russia

    V. M. Marchenko

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  1. V. M. Marchenko
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Correspondence to V. M. Marchenko.

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Original Text © Astro, Ltd., 2007.

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Marchenko, V.M. Dependence of the Er2O3 selective emission on the intensity of laser thermal excitation. Laser Phys. 17, 1146–1150 (2007). https://doi.org/10.1134/S1054660X07090071

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  • DOI: https://doi.org/10.1134/S1054660X07090071

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