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Spectroscopic characterization of Er3+-doped Tl3PbBr5 for midinfrared laser applications

Abstract : This paper presents the optical and spectroscopic properties of a low-phonon-energy, moisture-resistant, and nonlinear Er3+:Tl3PbBr5 single crystal. Though only weakly doped with Er3+ ions, centimeter-sized and good quality single crystals could be grown and analyzed. Excitation and emission spectra recorded at low temperature and crystal-field calculations agree with the existence of only one dominant Er3+ substitutional site. Anti-Stokes emission and excitation spectra as well as fluorescence decays and time-resolved emission and excited-state excitation spectra were recorded and analyzed to determine the different ways of populating the Er3+ excited levels and to provide all the necessary elements for an estimate of the laser potential of the considered material under diode laser pumping around 800 nm.
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Submitted on : Wednesday, December 3, 2008 - 5:31:32 PM
Last modification on : Saturday, June 25, 2022 - 9:45:57 AM


  • HAL Id : cea-00344127, version 1


Alban Ferrier, Matias Velázquez, Richard Moncorgé. Spectroscopic characterization of Er3+-doped Tl3PbBr5 for midinfrared laser applications. Physical Review B: Condensed Matter and Materials Physics (1998-2015), American Physical Society, 2008, 77, pp.075122. ⟨cea-00344127⟩



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