Journal
JOURNAL OF MOLECULAR STRUCTURE
Volume 1061, Issue -, Pages 1-4Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.molstruc.2013.12.068
Keywords
Zn:Yb:Er:LiNbO3; Spectroscopic properties; J-O theory
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Funding
- National Natural Science Foundation of China [51301055]
- China Postdoctoral Science Foundation [2012M520759]
- Provincial University Key Lab Open Foundation for Materials Research and Application in Harbin University of Science and Technology [2013]
- Science and Technology Research Project of Education Bureau of Heilongjiang Province [12531098]
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A series of Yb:Er:LiNbO3 crystals tridoped with x mol% Zn2+ ions (x = 1, 3, 5 and 8 mol%) was grown by Czochralski technique. The inductively coupled plasma atomic emission spectrometry (ICP-AES) was used to measure the concentration of Er3+ in the crystal. The UV-VIS-NIR absorption spectra of Zn:Yb:Er:LiNbO3 crystals were measured, and Judd-Ofelt (J-O) theory was applied to predict the J-O intensity parameters (Omega(t)) and spectroscopic quality factor (X). With 980 nm excitation, duration lengthening of 1.54 mu m emission and intensity enhancement of green upconversion emission were observed for Zn:Yb:Er:LiNbO3 crystal. Crown Copyright (C) 2014 Published by Elsevier B.V. All rights reserved.
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