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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 >Optical spectroscopy and luminescence properties of a Tm3+-doped LiKB4O7 glass
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Optical spectroscopy and luminescence properties of a Tm3+-doped LiKB4O7 glass

机译：TM3 +拆卸LIKB4O7玻璃的光学光谱和发光性能

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摘要

Spectroscopic properties of the Tm-doped borate glass with LiKB4O2 (0.5Li(2)O-0.5K(2)O-2B(2)O(3)) basic composition are investigated and analysed using optical absorption and photoluminescence (excitation, emission, decay kinetics) experimental techniques as well as Judd-Ofelt analysis. Optical absorption spectra exhibit absorption bands related with transitions of Tm3+ ions. The theoretical and experimental oscillator strengths for observed absorption transitions as well as Judd-Ofelt intensity parameters (Omega(2), Omega(4), Omega(6)) have been calculated. Photoluminescence spectra reveal a lot of emission bands in the visible and infrared spectral ranges related with 4f - 4f transitions of Tm3+ ions. Luminescence decay kinetics of several excited states was detailed investigated and analysed. Radiative properties such as radiative transition probabilities (A(rad)), luminescence branching ratios (beta), radiative lifetimes (tau(rad)), quantum efficiency (eta), and stimulated emission cross-section (sigma(em)) have been estimated. The obtained results show that the investigated LiKB4O7:Tm glass belongs to perspective luminescent and laser materials in the visible and infrared spectral ranges.
机译：该掺铥硼酸盐玻璃与LiKB4O2（0.5Li（2）O-0.5K（2）O-2B（2）O（3））基本组合物的光谱性质进行了研究和分析使用的光吸收和光致发光（激发，发射，衰变动力学）的实验技术以及贾德-Ofelt理论分析。有Tm +离子的跃迁相关的光吸收谱表现出的吸收带。对于观察到的吸收跃迁的理论和实验振子强度以及贾德-Ofelt理论强度参数（欧米茄（2），欧米茄（4），欧米茄（6））已经被算出。光致发光光谱揭示了许多发射带的与4F相关可见和红外光谱范围内 - TM3 +离子的4f跃迁。几个激发态的发光衰减动力学进行了详细的调查和分析。辐射特性如辐射跃迁概率（A（弧度）），发光分支比（测试版），辐射寿命（TAU（弧度）），量子效率（ETA），和受激发射横截面（西格玛（EM））已估计的。将所得到的结果表明，所研究的LiKB4O7式：Tm玻璃属于透视发光和激光材料在可见光和红外光谱范围内。

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