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Abstract：
Several Er doped (0.2 at%, 0.5 at%, and 1.0 at%) PbWO4 single crystals were grown by Bridgman method with the size of Phi 20 x 100 mm. The absorption spectra of Er:PWO samples were measured to investigate the spectral properties of Er3+ ions according to Judd-Ofelt theory. The phenomenological intensity parameters Omega(lambda) were fitted to calculate the spectral parameters of several radiative transitions of Er3+ ions, and the possibility of I-4(13/2) -＞ I-4(15/2) transition at about 1.5 mu m of Er3+ ions in PWO crystal was also discussed. The energy transfer from PWO matrix to Er3+ ions was investigated based on the photoluminescence spectra, and the frequency shifting effect of Er3+ ions on PWO crystal was discussed according to the spontaneous Raman spectra. The 1.5 mu m fluorescence spectra of different Er:PWO samples were measured under the excitation at 980 nm. (C) 2012 Elsevier B.V. All rights reserved.
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OPTICAL MATERIALS
ISSN： 0925-3467
Year： 2012
Issue： 8
Volume： 34
Page： 1246-1250
1 . 9 1 8
JCR@2012
3 . 8 0 0
JCR@2023
ESI Discipline： MATERIALS SCIENCE;
JCR Journal Grade：2
CAS Journal Grade：3
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ESI Highly Cited Papers on the List： 0 Unfold All
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