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首页> 外文期刊>Optics Communications: A Journal Devoted to the Rapid Publication of Short Contributions in the Field of Optics and Interaction of Light with Matter >50 mJ/30 ns FTIR Q-switched diode-pumped Er:Yb:glass 1.54 μm laser
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50 mJ/30 ns FTIR Q-switched diode-pumped Er:Yb:glass 1.54 μm laser

机译：50 mJ / 30 ns FTIR调Q二极管泵浦Er：Yb：玻璃1.54μm激光器

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摘要

50 mJ Q-switched output at 30 ns pulse duration was demonstrated with a transversely diode-pumped bulk Er~(3+):Yb~(3+):glass 1.54 μm laser system of uncomplicated and compact design, using a piezoelectrically driven FTIR shutter. In long-pulse operation, 360 mJ output was obtained for 2.65 J incident optical pump energy. Maximum optical slope efficiencies of 20.5% and 5.4% were measured in long-pulse and Q-switched operation, respectively. Optimum Q-switch timing was studied taking into account the Yb~(3+)→Er~(3+) energy transfer process and was correlated with free-running delay parameters.
机译：通过使用压电驱动的FTIR，采用简单的紧凑设计的横向二极管泵浦大体积Er〜（3 +）：Yb〜（3+）：玻璃1.54μm激光系统证明了在30 ns脉冲持续时间下的50 mJ Q开关输出快门。在长脉冲操作中，入射光泵浦能量为2.65 J时，输出为360 mJ。在长脉冲和Q开关操作中，最大光学斜率效率分别为20.5％和5.4％。考虑Yb〜（3+）→Er〜（3+）的能量转移过程，研究了最佳的Q开关时序，并将其与自由运行的延迟参数相关联。

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