We report on the demonstration of a diode-pumped, Tm:YLF-based, chirped pulse amplification laser system operating at λ ≈ 1.9 µm that produces amplified pulse energies exceeding 1.5 J using a single 8-pass power amplifier. The amplified pulses are subsequently compressed to sub-300 fs durations by a diffraction grating pair, producing record >1 TW peak power pulses. To the best of our knowledge, this is the highest peak power demonstrated for any solid-state, near-2 µm laser architecture and illustrates the potential of Tm:YLF for the next generation of high-power, diode-pumped ultrashort lasers.

中文翻译：

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1 TW 峰值功率焦耳级超短 Tm:YLF 激光器演示

我们报告了二极管泵浦、基于 Tm:YLF 的啁啾脉冲放大激光系统的演示，该系统在λ ≈ 1.9 µm 下工作，使用单个 8 通道功率放大器产生超过 1.5 J 的放大脉冲能量。随后，放大的脉冲被一对衍射光栅压缩至低于 300 fs 的持续时间，产生创纪录的 >1 TW 峰值功率脉冲。据我们所知，这是任何固态近 2 µm 激光器架构所展示的最高峰值功率，并说明了 Tm:YLF 在下一代高功率二极管泵浦超短激光器方面的潜力。