Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/31220
Title: Enhanced 2.0 μm emission and energy transfer in Yb 3+/Ho 3+/Ce 3+ triply doped tellurite glass
Authors: Tao, L
Tsang, YH 
Zhou, B
Richards, B
Jha, A
Keywords: 2.0 μm Emission
Energy transfer
Yb 3+/Ho 3+/Ce 3+ triply doping
Issue Date: 2012
Publisher: Elsevier Science Bv
Source: Journal of non-crystalline solids, 2012, v. 358, no. 14, p. 1644-1648 How to cite?
Journal: Journal of Non-Crystalline Solids 
Abstract: Ce 3+ induced enhancement of Ho 3+ ∼ 2.0 μm emission in Yb 3+/Ho 3+ codoped sodium-zinc-tellurite (TNZ) glass was achieved under 980 nm LD laser excitation. The spectroscopic studies show that the upconversion is remarkably reduced by the presence of Ce 3+. The ∼ 2.0 μm fluorescence intensity is nearly triply enhanced, and the energy transfer efficiency from Yb 3+ to Ho 3+ is improved from 16.1% to 42.6% by increasing the Ce 3+ concentration from 0 to 0.8 mol%. The mechanism responsible for the upconversion reduction and ∼ 2.0 μm emission enhancement in Yb 3+/Ho 3+/Ce 3+ triply-doped TNZ glass is also discussed. Our results indicate that the Yb 3+/Ho 3+/Ce 3+ triply-doped TNZ glass is a promising candidate material for improving the Ho 3+ 2.0 μm fiber laser performance.
URI: http://hdl.handle.net/10397/31220
DOI: 10.1016/j.jnoncrysol.2012.04.028
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