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Up-conversion photoluminescence characteristics of Yb3+:Er3+:Tm3+ co-doped borosilicate glasses |
Li Cheng-Ren(李成仁)a)†,Xu Wei(徐伟)a),Dong Bin(董斌)b), Li Shu-Feng(李淑凤)c),Ding Jian-Hua(丁建华)c), Cheng Yu-Qi(程宇琪) a), and Yin Hai-Tao(殷海涛)a) |
a College of Physics and Electronic Technology, Liaoning Normal University, Dalian 116029, China; b School of Science, Dalian Nationalities University, Dalian 116600, China; c School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian 116024, China |
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Abstract Yb3+:Er3+:Tm3+co-doped borosilicate glasses are prepared. Their strong up-conversion photoluminescence spectra in a range from ultra-violet to near-infrared, which are excited by a 978-nm laser diode, are measured, and the mechanisms of energy transfer among Yb3+, Er3+ and Tm3+ ions are discussed. The results show that there is an unexpected wavelength at 900-nm emission from Yb3+ Stark splitting levels to pump Tm3+ ions and there exists an optimum pump power. The concentration of the Tm3+ dopant gives rise to a prominent effect on the intensity of visible and near-infrared emissions for the Yb3+:Er3+:Tm3+ co-doped borosilicate glasses.
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Received: 28 June 2009
Revised: 28 September 2009
Accepted manuscript online:
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PACS:
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78.55.Hx
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(Other solid inorganic materials)
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78.20.Jq
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(Electro-optical effects)
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71.70.Ej
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(Spin-orbit coupling, Zeeman and Stark splitting, Jahn-Teller effect)
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61.72.S-
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(Impurities in crystals)
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Fund: Project supported by the National
Natural Science Foundation of China (Grant No.~10804015) and the Science Foundation of the
Education Department of Liaoning Province of China (Grant
No.~2009A417). |
Cite this article:
Li Cheng-Ren(李成仁),Xu Wei(徐伟),Dong Bin(董斌), Li Shu-Feng(李淑凤),Ding Jian-Hua(丁建华), Cheng Yu-Qi(程宇琪), and Yin Hai-Tao(殷海涛) Up-conversion photoluminescence characteristics of Yb3+:Er3+:Tm3+ co-doped borosilicate glasses 2010 Chin. Phys. B 19 047801
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