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Preparation and performance of Cr3+/Tm3+/Ho3+ co-doped fluorophosphate glasses

Lü Jing-Wen Liu Shuang Xiao Hong-Liang Zheng Xiao-Qiu Li Yue Li Feng

Preparation and performance of Cr3+/Tm3+/Ho3+ co-doped fluorophosphate glasses

Lü Jing-Wen, Liu Shuang, Xiao Hong-Liang, Zheng Xiao-Qiu, Li Yue, Li Feng
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Publishing process
  • Received Date:  22 January 2008
  • Accepted Date:  04 March 2008
  • Published Online:  05 May 2008

Preparation and performance of Cr3+/Tm3+/Ho3+ co-doped fluorophosphate glasses

  • 1. 长春理工大学材料科学与工程学院,长春 130022

Abstract: Fluorophosphate glasses with various Al(PO3)3 contents were prepared,and their structure,thermal properties and spectral properties were studied.The emission properties at around 2.0μm of Cr3+/Tm3+/Ho3+ co-doped fluorophosphate glasses with different mole fractions of Tm3+ and Ho3+were studied. The spectral strength parameters Ωt(t=2,4,6) of those glasses have been calculated. Meanwhile,the spectral parameters, including the oscillator strength,spontaneous emission probability and branching ratios of Ho3+, have been calculated. The results show that the 2.0μm emission intensity gradually grows higher with the increase of the mole fraction of Tm3+. The Tm3+→(3F4) →Ho3+(5I7) energy transfer in (Tm3+/Ho3+) co-doped fluorophosphate glasses is very efficient, and it is dependent on the doping concentration.

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