Dynamics of excited state relaxation and frequency upconversion in Tm3+ and Tm3+/Tb3+ doped ZBLAN glass
Source abstract
Abstract
Abstract The effects of activator concentration on the relaxation of the 1 I 6 , 1 D 2 , 1 G 4 and 3 H 4 levels of Tm 3+ were investigated by the analysis of the fluorescence decay curves in Tm 3+ and Tm 3+ /Tb 3+ doped ZBLAN glasses. UV and blue upconversion luminescence bands around 362 and 450 nm were observed by 655 nm laser excitation in all the samples. The upconversion mechanism was attributed to excited state absorption (ESA) by analyzing the decay profiles and the intensity dependence.
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Research context
OpenAlex topics: Glass properties and applications · Luminescence Properties of Advanced Materials · Lanthanide and Transition Metal Complexes
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References (15)
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