Stokes pulses with a spectrum corresponding to 16 fs transform-limited pulse were generated at stimulated Raman scattering (SRS) of 400 fs ytterbium laser pulses in fused silica capillary filled with hydrogen. Stokes pulses were compressed to 20 fs. The energy conversion efficiency reached 12%.

中文翻译：

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氢中基于 SRS 产生少周期 1.8 μm 脉冲的可能性

在充满氢气的熔融石英毛细管中，400 fs 镱激光脉冲的受激拉曼散射 (SRS) 产生了光谱对应于 16 fs 变换限制脉冲的斯托克斯脉冲。斯托克斯脉冲被压缩到 20 fs。能量转换效率达到12%。