Abstract
In the previous paper [J. Alloys Compd. 102 (2019) 873–878], optical and Judd-Ofelt (J-O) spectroscopic properties of Er3+/Pr3+-codoped Gd3Ga5O12 single-crystal have been reported and the J-O study was performed on the basis of measured absorption spectrum of the crystal. Present paper reports corrected absorption spectrum and J-O spectroscopic parameters of the crystal, which include J-O intensity parameters, oscillator strengths, fluorescence branch ratios, radiative rates and radiative lifetimes. Comparison shows that the previous paper erroneously reported almost one order of magnitude larger absorption cross-section, J-O intensity parameters, oscillator strength and radiative rate as well. A further comparison with previously reported results of Er3+-only doped crystal reveals that the Pr3+-codoping causes considerable spectroscopic change in absorption cross-section, J-O intensity parameters, oscillator strength and radiative rate of Er3+ transitions, and the reason of the change is discussed from the viewpoint of Pr3+-codoping and crystal growth procedure effect on ion environment of Er3+. In addition, errors are given for both the J-O parameters and radiative probabilities of several typical Er3+ emissions.
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