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Highly Er~(3+)-doped ZrF_4-based fluoride glasses for 2.7 μm laser materials

机译:高度掺Er〜(3+)的ZrF_4基氟化物玻璃,用于2.7μm激光材料

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摘要

A new type of fluoride glasses with high erbium-doping concentration (up to 6 mol. % Er~(3+)) is investigated. The intensive 2.7 μm fluorescence is demonstrated with minimized concentration quenching. The intensity parameters and radiative properties are determined from the absorption spectrum based on the Judd-Ofelt theory. The prepared Er~(3+)-doped ZBYA glass possesses high predicted spontaneous-transition probability (28.92 s~(-1)) and large calculated emission cross section (9.8 × 10~(-21) cm~2). All these results indicate that this Er~(3+)-doped ZrF_4-based fluoride glass has potential applications in 2.7 μm laser materials.
机译:研究了一种新型的高掺concentration浓度(高达6 mol。%Er〜(3+))的氟化物玻璃。在最小的浓度猝灭下显示了2.7μm的强烈荧光。强度参数和辐射特性是根据Judd-Ofelt理论从吸收光谱确定的。制备的掺Er〜(3+)的ZBYA玻璃具有较高的预测自发转变概率(28.92 s〜(-1))和较大的计算发射截面(9.8×10〜(-21)cm〜2)。所有这些结果表明,这种掺Er(3+)的ZrF_4基氟化物玻璃在2.7μm激光材料中具有潜在的应用前景。

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