Abstract
Pure and Er3+-doped Li6Y(BO3)3 single crystals have been grown by the Czochralski method. The angular relationship between the crystallographic axes and the principal axes of the optical indicatrix has been determined. The principal refractive indices of the pure Li6Y(BO3)3 crystal have been measured. The polarized absorption and fluorescence spectra of the Er3+-doped Li6Y(BO3)3 crystal have been recorded. Spectroscopic parameters of the Er3+-doped Li6Y(BO3)3 crystal, including the intensity parameters Ωt (t=2,4,6), spontaneous emission probabilities, fluorescence branching ratios, radiative lifetimes, fluorescence quantum efficiency, and stimulated emission cross sections have been calculated and analyzed. The results show that the Er3+-doped Li6Y(BO3)3 crystal may be a gain medium for tunable and ultra short pulse lasers around 1.55 μm.
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78.20.-e; 42.70.Hj
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Zhao, Y., Gong, X., Chen, Y. et al. Spectroscopic properties of Er3+ ions in Li6Y(BO3)3 crystal. Appl. Phys. B 88, 51–55 (2007). https://doi.org/10.1007/s00340-007-2655-1
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DOI: https://doi.org/10.1007/s00340-007-2655-1