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首页> 外文期刊>Optics Letters >High-repetition-rate chirped-pulse-amplification thin-disk laser system with joule-level pulse energy
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High-repetition-rate chirped-pulse-amplification thin-disk laser system with joule-level pulse energy

机译：高焦耳脉冲能量的高重复频率rate脉冲放大薄盘激光系统

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摘要

We are reporting on the development of a diode-pumped chirped-pulse-amplification (CPA) laser systemnbased on Yb:YAG thin-disk technology with a repetition rate of 100 Hz and output pulse energy in the joulenrange. The focus lies with the first results of the preamplifier—a regenerative amplifier (RA) and a multi-npass amplifier (MP). The system consists of a front end including the CPA stretcher followed by an amplifiernchain based on Yb:YAG thin-disk amplifiers and the CPA compressor. It is developed in the frame of ournx-ray laser (XRL) program and fulfills all requirements for pumping a plasma-based XRL in grazing inci-ndence pumping geometry. Of course it can also be used for other interesting applications. With the RA pulsenenergies of more than 165 mJ can be realized. At a repetition rate of 100 Hz a stability of 0.8% u00011u0001u0002 over anperiod of more than 45 min has been measured. The optical-to-optical efficiency is 14%. The following MPnamplifier can increase the pulse energy to more than 300 mJ. A nearly bandwidth-limited recompression tonless than 2 ps could be demonstrated. © 2009 Optical Society of America
机译：我们正在报告基于Yb：YAG薄盘技术的二极管泵浦chi脉冲放大（CPA）激光系统的开发，该系统的重复频率为100 Hz，输出脉冲能量在焦耳范围内。重点在于前置放大器的第一个结果-再生放大器（RA）和多通道放大器（MP）。该系统由一个前端（包括CPA担架）和一个基于Yb：YAG薄盘放大器和CPA压缩器的放大器链组成。它是在我们的n射线激光（XRL）程序框架内开发的，并且满足了在掠夺入射泵浦几何形状中泵送基于等离子体的XRL的所有要求。当然，它也可以用于其他有趣的应用程序。利用RA脉冲能量，可以实现超过165 mJ的能量。在100 Hz的重复频率下，经过45分钟以上的测试，其稳定性为0.8％u00011u0001u0002。光学效率为14％。以下的MP放大器可以将脉冲能量增加到300 mJ以上。可以证明带宽限制几乎为2 ps的重新压缩。 ©2009美国眼镜学会

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