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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Application of standard and modified Judd-Ofelt theories to thulium doped fluoroindate glass
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Application of standard and modified Judd-Ofelt theories to thulium doped fluoroindate glass

机译：标准和经过改进的Judd-Ofelt理论在掺do氟代玻璃中的应用

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摘要

Fluoroindate glasses of the following compositions: (40-x)InF_3-20ZnF_2-16BaF_2-20SrF_2-2GdF_3-2NaF-xTmF_3 with x = 1,3 mol% were prepared in a dry box under an argon atmosphere. The absorption spectra at room temperature in the spectral range 350-2200 nm were obtained. The spectra obtained for each sample had similar absorption and only the amplitude of the different bands changed as the concentration of Tm~(3+). The experimental oscillator strengths were determined from the areas under the absorption bands. Using the standard and modified Judd-Ofelt theory, intensity parameters #OMEGA#_#lambda# (#lambda# = 2,4,6) and (#lambda# = 2,3,4,5,6), respectively for f-f transitions of Tm~(3+) ions as well as transition probabilities, branching ratios and radiative lifetimes for each band were determined. The results are compared with those of other glasses described in the literature.
机译：在氩气气氛下的干燥箱中制备以下组成的含氟酸盐玻璃：（40-x）InF_3-20ZnF_2-16BaF_2-20SrF_2-2GdF_3-2NaF-xTmF_3，其中x ＝ 1.3mol％。获得室温下在350-2200nm光谱范围内的吸收光谱。每个样品获得的光谱具有相似的吸收，并且仅不同谱带的幅度随Tm〜（3+）的浓度而变化。从吸收带下的面积确定实验振荡器的强度。使用标准和经过修改的Judd-Ofelt理论，ff的强度参数#OMEGA＃_＃lambda＃（＃lambda＃= 2,4,6）和（＃lambda＃= 2,3,4,5,6）确定了Tm〜（3+）离子的跃迁以及跃迁的几率，支化比和辐射寿命。将结果与文献中描述的其他眼镜的结果进行比较。

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