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High harmonics are generated inside an enhancement cavity with nonlinear compressed 10-MHz high power 70-fs laser as seed. Stable operation lasting over half an hour with more than 0.1 mW at 147 nm is demonstrated with low finesse cavity.
We demonstrate a 1.2-GHz repetition rate, diode-pumped carbon nanotube (CNT)-mode-locked Yb:KYW laser with 168 fs pulse duration. To our knowledge, this corresponds to the highest repetition rate from CNT-mode-locked femtosecond bulk solid-state lasers.
We developed a laser-diode pumped, 3.32-GHz repetition-rate, Yb:KYW Kerr-lens mode-locked laser with a bowtie cavity. The spectrum width is 10 nm around 1050 nm with the output power of 13.5 mW.
We report long-term stable passive synchronization of a 50-μJ, 690-fs, 0.4-MHz Yb-doped fiber chirped-pulse amplifier with a mode-locked Ti:sapphire laser as long as 8 hours with a timing jitter of 42 fs.
1-Watt-average-power pulse at 258 nm was generated by frequency quadrupling from a femtosecond ytterbium-doped fiber amplifier at 100 MHz. A resonant cavity was employed as the frequency doubling stage to increase conversion efficiency.
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