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首页> 外文期刊>Optics Letters >Transform-limited 100 (mu)J, 340 MW pulses from a nonlinear-fiber chirped-pulse amplifier using a mismatched grating stretcher-compressor
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Transform-limited 100 (mu)J, 340 MW pulses from a nonlinear-fiber chirped-pulse amplifier using a mismatched grating stretcher-compressor

机译:使用不匹配的光栅展宽器压缩器从非线性光纤chi脉冲放大器中进行变换限制的100μJ,340 MW脉冲

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摘要

We report on a compact double-stage ytterbium-doped-fiber chirped-pulse amplifier system delivering high temporal quality 270 fs pulses of 100 (mu)J energy at a repetition rate of 300 kHz resulting in a peak power of 340 MW. The recompression down to 1.1 times the Fourier limit is based on the exploitation of nonlinear phase shifts associated with mismatched stretcher-compressor units. A 1-m-long ytterbium-doped 80 (mu)m core diameter photonic crystal fiber is implemented as the power amplifier and allows the production of 143 (mu)J pulses before compression with an accumulated B integral of 17 rad throughout the amplification stages.
机译:我们报告了一种紧凑的双级掺-光纤chi脉冲放大器系统,该系统以300 kHz的重复频率提供100 µJ能量的高品质270 fs脉冲,重复频率为340 MW。再压缩到傅立叶极限的1.1倍是基于利用与不匹配的担架压缩机单元相关的非线性相移。功率放大器采用长度为1 m的掺do 80μm纤芯直径的光子晶体光纤,可在压缩之前产生143μJ脉冲,并在整个放大阶段累积17 rad的累积B积分。

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