光子学报, 2009, 38 (4): 870, 网络出版: 2010-05-10   

硼碲酸盐玻璃材料中Er3+光谱性质对组分的依赖关系

The Composition Dependence of Spectroscopic Properties of Er3+ in Borate Tellurite Glasses
作者单位
大连海事大学 物理系,辽宁 大连 116026
摘要
采用熔融淬火技术制备了一组Er3+掺杂的变组分硼碲酸盐玻璃材料.测量了玻璃的折射率、吸收光谱及4I13/2→4I15/2跃迁的荧光寿命.利用标准的三参量Judd-Ofelt理论对Er3+的光学跃迁性质进行了计算,并对Er3+离子的4I13/2能级的量子效率进行了研究.结果发现,随着样品中TeO2含量的增加样品的折射率变大,三个Judd-Ofelt参量中Ω2随着样品组分的改变较明显,而另外两个参量Ω4和Ω6的变化较小.还发现随着TeO2含量的增加4I13/2→4I15/2辐射跃迁几率增大,并且该跃迁的量子效率增加.这一研究结果表明,在硼酸盐玻璃材料中引入TeO2可以有效地改善其中稀土离子的量子效率和辐射跃迁性能.
Abstract
A set of Er3+ doped borotelurite glasses with various compositions was prepared via a melt-quenching technique.The refractive index,absorption spectra and luminescent decays were measured.Optical transition intensity parameters for Er3+ ion were calculated based on the three-parameter Judd-Ofelt theory.The quantum efficiencies for these Er3+ doped glasses were studied.It was found that the refractive index of the glass sample increases and one of the Judd-Ofelt parameters,Ω2,changes extremely,but other parameters,Ω4 and Ω6,change slightly when the TeO2 content increases.It was also found that both the radiative transition rate and quantum efficiency for 4I13/2→4I15/2 increases with increasing the TeO2 content.These facts shows that introducing TeO2 into the borate glasses can effectively improve the quantum efficiency and radiative transition rate of rare earth ions.

张翔清, 陈宝玖, 孙佳石, 仲海洋, 程丽红, 彭勇, 于涛. 硼碲酸盐玻璃材料中Er3+光谱性质对组分的依赖关系[J]. 光子学报, 2009, 38(4): 870. ZHANG Xiang-qing, CHEN Bao-jiu, SUN Jia-shi, ZHONG Hai-yang, CHENG Li-hong, PENG Yong, YU Tao. The Composition Dependence of Spectroscopic Properties of Er3+ in Borate Tellurite Glasses[J]. ACTA PHOTONICA SINICA, 2009, 38(4): 870.

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