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首页> 外文期刊>RSC Advances >Preparation and spectral characteristics of Tm3+/Ho3+ co-doped TeO2–B2O3–BaO glass
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Preparation and spectral characteristics of Tm3+/Ho3+ co-doped TeO2–B2O3–BaO glass

机译：Tm3 + / Ho3 +共掺杂TeO2-B2O3-BaO玻璃的制备及光谱特性

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摘要

TeO–B _(2) O _(3) –BaO glasses with different compositions were prepared by the conventional melt-quenching technique. The spectral properties of Tm ~(3+) /Ho ~(3+) co-doped TeO–B _(2) O _(3) –BaO glasses with different doping concentrations were studied. In order to analyze the spectroscopic properties in detail, the Judd–Ofelt intensity parameters, spontaneous radiative probabilities, branching ratios, absorption and emission cross-sections, and gain coefficient spectra were calculated using Judd–Ofelt and McCumber theory based on the absorption and emission spectra. Meanwhile, the optimal doping concentration was determined as Tm _(2) O _(3) : 1.0 mol% and Ho _(2) O _(3) : 1.0 mol%. The results show that Tm ~(3+) /Ho ~(3+) co-doped TeO–B _(2) O _(3) –BaO glass is an ideal mid-infrared laser gain medium.
机译：通过常规的熔融淬火技术制备了具有不同成分的TeO-B _（2）O _（3）-BaO玻璃。研究了不同掺杂浓度的Tm〜（3+）/ Ho〜（3+）共掺杂TeO-B _（2）O _（3）-BaO玻璃的光谱性质。为了详细分析光谱特性，使用Judd-Ofelt和McCumber理论基于吸收和发射，计算了Judd-Ofelt强度参数，自发辐射概率，分支比，吸收和发射截面以及增益系数谱。光谱。同时，最佳掺杂浓度确定为Tm_（2）O_（3）：1.0mol％和Ho_（2）O_（3）：1.0mol％。结果表明，Tm〜（3+）/ Ho〜（3+）共掺杂TeO-B _（2）O _（3）-BaO玻璃是理想的中红外激光增益介质。

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