Abstract
Er 3+-doped Gd 2SiO 5 (Er:GSO) single crystal with dimensions of ∅ 35×40 mm 3 has been grown by the Czochralski method. The absorption and fluorescence spectra of the Er:GSO crystal were measured at room temperature. The spectral parameters were calculated based on Judd–Ofelt theory, and the intensity parameters Ω 2, Ω 4 and Ω 6 are obtained to be 6.168×10 −20, 1.878×10 −20, and 1.255×10 −20 cm 2, respectively. The emission cross-section has been calculated by Fuechtbauer–Ladenbury formula.
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