Infrared emission spectroscopy and upconversion of ZnO-Li₂O-Na₂O-P₂O₅ glasses doped with Nd^{3 +} ions

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• 作者：D.D. Ramteke ; R.E. Kroon ; H.C. Swart ; ^{swarthc@ufs.ac.za}
• 关键词：Judd-Ofelt ; Nd2O3 ; ZnO-Li2O-Na2O-P2O5 ; Upconversion ; Infrared emission
• 刊名：Journal of Non-Crystalline Solids
• 出版年：2017
• 出版时间：1 February 2017
• 年：2017
• 卷：457
• 期：Complete
• 页码：157-163
• 全文大小：961 K
• 卷排序：457

文摘

Infrared emitting ZnO-Li2O-Na2O-P2O5 glasses with different concentrations of Nd2O3 were prepared by melt quench technique. The glasses were studied successfully by applying the Judd-Ofelt theory. Infrared to visible upconversion was due to excited state absorption (ESA) and energy transfer upconversion (ETU). The observed transitions are related to transitions 4G7/2 →4I9/2 (530 nm), 4G7/2 →4I11/2 (590 nm) and 4G7/2 →4I13/2 (687 nm).