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Er 3+ /Ce 3+ codoped tellurite-based glasses with composition of TeO 2 –WO 3 –Na 2 O–Nb 2 O 5 were prepared by high-temperature melt-quenching technique and a detailed study of the 1.53μm band spectroscopic properties and thermal stability was presented in this paper. The absorption spectra, visible upconversion spectra, 1.53μm band fluorescence...
A detailed study of the energy transfer between Er 3+ and Ce 3+ ions and its enhanced effects on the 1.53µm band signal gain in Er 3+ /Ce 3+ codoped tellurite glass fiber under the excitation of 980nm is reported. The absorption spectra, visible upconversion spectra, infrared fluorescence spectra of Er 3+ doped and Er 3+ /Ce 3+ codoped glass...
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