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Journal of Inorganic Materials

Journal of Inorganic Materials >

2007 , Vol. 22 >Issue 4: 671 - 676

DOI: https://doi.org/10.3724/SP.J.1077.2007.00671

Research Paper

Effect of Er3+ Ion Concentration on the Fluorescence Properties of Tellurite Glass

  • ZHOU Ya-Xun ,
  • HUANG Shang-Lian ,
  • ZHOU Ling ,
  • XU Tie-Feng ,
  • NIE Qiu-Hua
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  • 1. The Key Laboratory for Optoelectronic Technology & System,
    Education Ministry of China, Chongqing University, Chongqing 400044, China;
    2. College of Information Science and Engineering, Ningbo University, Ningbo 315211, China

Received date: 2006-08-14

  Revised date: 2006-09-30

  Online published: 2007-07-20

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Abstract

Fluorescence properties of Er3+:4I13/2～4I15/2 transition were measured in a tellurite glass. The fluorescence spectra, fluorescence intensities and lifetimes were investigated as a function of erbium ion concentration. It is found that there are intense radiation trapping and concentration quenching effect in erbium-doped tellurite glasses. With the increase of erbium ion concentration, fluorescence spectrum broadens significantly and its main emission peak shifts from 1532nm to 1556nm as a result of the changed relative intensity of each spectral component caused by radiation trapping. Fluorescence intensity decreases strongly with higher erbium ion concentration due to concentration quenching effect caused by cooperative upconversion among Er3+ ions. Also, radiation trapping and concentration quenching cause fluorescence lifetime increase at first and then decrease rapidly with the increase of Er3+ concentration.

Key words： tellurite glass; fluorescence characteristics; radiation trapping; concentration quenching

Cite this article

ZHOU Ya-Xun , HUANG Shang-Lian , ZHOU Ling , XU Tie-Feng , NIE Qiu-Hua . Effect of Er3+ Ion Concentration on the Fluorescence Properties of Tellurite Glass[J]. Journal of Inorganic Materials, 2007 , 22(4) : 671 -676 . DOI: 10.3724/SP.J.1077.2007.00671

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