Thermal Stability and Spectroscopic Properties of New Er3+ /Yb3+ -Codoped Tellurite Glasses
GAO Yuan, NIE Qiu-Hua, XU Tie-Feng, SHEN Xiang
College of Information Science and Engineering, Ningbo University, Ningbo 315211
Thermal Stability and Spectroscopic Properties of New Er3+ /Yb3+ -Codoped Tellurite Glasses
GAO Yuan;NIE Qiu-Hua;XU Tie-Feng;SHEN Xiang
College of Information Science and Engineering, Ningbo University, Ningbo 315211
关键词 ：
73.43.Fj ,
74.25.Gz ,
73.61.Jc ,
76.30.Kg
Abstract ： A series of new Er3+ /Yb3+ -codoped 70TeO2 --5Li2 O--(25-x)B2 O3 --xGeO2 (TLBG, x=0, 5, 10, 15, 20mol%) glasses are prepared. The thermal stability and spectroscopic properties of TLBG glasses are studied. It is found that these glasses have the better thermal stability ((Tx -Tg )>150 °C) compared with 75TeO2 --20ZnO--5Na2 O (TZN) glass. The fluorescence full width at half maximum (FWHM) is about 77nm, while the emission intensity and the quantum efficiency of the 4 I13/2 level of Er3+ increase with the increasing GeO2 content. The maximum quantum efficiency and stimulated emission cross-section of Er3+ calculated from the McCumber theory are 93.82% and 9.0×10-21 cm2 , respectively. The products of FWHM and σpeak e of Er3+ in TLBG glasses are larger than those in other reported glasses. The obtained data indicate that this kind of TLBG glasses is a promising candidate host material for Er3+ -doped broadband amplifiers.
Key words ：
73.43.Fj
74.25.Gz
73.61.Jc
76.30.Kg
出版日期: 2004-09-01
:
73.43.Fj
(Novel experimental methods; measurements)
74.25.Gz
(Optical properties)
73.61.Jc
(Amorphous semiconductors; glasses)
76.30.Kg
(Rare-earth ions and impurities)
引用本文:
GAO Yuan;NIE Qiu-Hua;XU Tie-Feng;SHEN Xiang. Thermal Stability and Spectroscopic Properties of New Er3+ /Yb3+ -Codoped Tellurite Glasses[J]. 中国物理快报, 2004, 21(9): 1799-1801.
3+ /Yb3+ -Codoped Tellurite Glasses. Chin. Phys. Lett., 2004, 21(9): 1799-1801.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2004/V21/I9/1799
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2004, Vol. 21 
