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Chin. Phys. B, 2010, Vol. 19(4): 047801    DOI: 10.1088/1674-1056/19/4/047801
CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES Prev   Next  

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
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.
Keywords:  Er3+:Yb3+:Tm3+ co-doped borosilicate glasses      up-conversion emission      two pump wavelengths      optimum pump power  
Received:  28 June 2009      Revised:  28 September 2009      Accepted manuscript online: 
PACS:  78.55.Hx (Other solid inorganic materials)  
  78.20.Jq (Electro-optical effects)  
  71.70.Ej (Spin-orbit coupling, Zeeman and Stark splitting, Jahn-Teller effect)  
  61.72.S- (Impurities in crystals)  
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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