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首页> 外文期刊>Optics Letters >42 W femtosecond Yb:Lu2O3 regenerative amplifier
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42 W femtosecond Yb:Lu2O3 regenerative amplifier

机译:42 W飞秒Yb:Lu2O3再生放大器

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We report on a femtosecond high-power regenerative amplifier based on Yb:Lu2O3. Exploiting the excellent thermo-mechanical properties of this material, we were able to achieve up to 64.5W in continuous-wave regime, limited only by the available pump power. In pulsed operation, 42 W of average output power at a repetition rate of 500 kHz with 780 fs long pulses could be demonstrated, resulting in a pulse peak power of similar to 100 MW. The spectrum was centered at 1034 nm with an FWHM of 2.4 nm, potentially allowing for even shorter pulses. At the maximum output power the beam was nearly TEM00, with an M-2 value of 1.2 in both axes. (C) 2016 Optical Society of America
机译:我们报告了基于Yb:Lu2O3的飞秒大功率再生放大器。利用这种材料出色的热机械性能,我们能够在连续波范围内达到高达64.5W的功率,仅受可用泵浦功率的限制。在脉冲操作中,可以证明以780 fs长的脉冲以500 kHz的重复频率输出42 W的平均输出功率,从而产生类似于100 MW的脉冲峰值功率。光谱集中在1034 nm,FWHM为2.4 nm,可能允许更短的脉冲。在最大输出功率下,光束接近TEM00,两个轴的M-2值为1.2。 (C)2016美国眼镜学会

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