Barbiero Gaia, Wang Haochuan, Graßl Martin, Gröbmeyer Sebastian, Kimbaras Džiugas, Neuhaus Marcel, Pervak Vladimir, Nubbemeyer Thomas, Fattahi Hanieh, Kling Matthias F
Opt Lett. 2021 Nov 1;46(21):5304-5307. doi: 10.1364/OL.440303.
We demonstrate an efficient hybrid-scheme for nonlinear pulse compression of high-power thin-disk oscillator pulses to the sub-10 fs regime. The output of a home-built, 16 MHz, 84 W, 220 fs Yb:YAG thin-disk oscillator at 1030 nm is first compressed to 17 fs in two nonlinear multipass cells. In a third stage, based on multiple thin sapphire plates, further compression to 8.5 fs with 55 W output power and an overall optical efficiency of 65% is achieved. Ultrabroadband mid-infrared pulses covering the spectral range 2.4-8µm were generated from these compressed pulses by intra-pulse difference frequency generation.
我们展示了一种高效的混合方案，用于将高功率薄片振荡器脉冲非线性压缩至亚10飞秒量级。一个自制的、16兆赫兹、84瓦、220飞秒的1030纳米掺镱钇铝石榴石薄片振荡器的输出，首先在两个非线性多程池中被压缩至17飞秒。在第三阶段，基于多个薄蓝宝石板，实现了进一步压缩至8.5飞秒，输出功率为55瓦，总光学效率为65%。通过脉冲内差频产生，从这些压缩脉冲中产生了覆盖2.4 - 8微米光谱范围的超宽带中红外脉冲。
