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Energetic sub-2-cycle laser with 216 W average power

机译:平均功率216 W的高能亚2周期激光器

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Few-cycle lasers are essential for many research areas such as attosecond physics that promise to address fundamental questions in science and technology. Therefore, further advancements are connected to significant progress in the underlying laser technology. Here, two-stage nonlinear compression of a 660 W femtosecond fiber laser system is utilized to achieve unprecedented average power levels of energetic ultrashort or even few-cycle laser pulses. In a first compression step, 408 W, 320 mu J, 30 fs pulses are achieved, which can be further compressed to 216 W, 170 mu J, 6.3 fs pulses in a second compression stage. To the best of our knowledge, this is the highest average power few-cycle laser system presented so far. It is expected to significantly advance the fields of high harmonic generation and attosecond science. (C) 2016 Optical Society of America
机译:很少有周期激光器对于许多研究领域都是必不可少的,例如阿秒物理学,它们有望解决科学和技术中的基本问题。因此,进一步的进步与基础激光技术的重大进步有关。在这里,利用660 W飞秒光纤激光器系统的两阶段非线性压缩来实现高能超短或什至几个周期的激光脉冲的前所未有的平均功率水平。在第一个压缩步骤中,获得408 W,320μJ,30 fs的脉冲,可以在第二压缩阶段将其进一步压缩为216 W,170μJ,6.3 fs的脉冲。据我们所知,这是迄今为止提出的最高平均功率的少周期激光系统。有望极大地推动高谐波产生和阿秒科学领域的发展。 (C)2016美国眼镜学会

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