Abstract
We report on the power scalability of cavity-enhanced high harmonic generation (HHG) with a Yb-fiber frequency comb delivering 120-fs pulses at 80-W average power and a repetition rate of 154 MHz. With 5 kW of average intracavity power, plateau harmonics with average powers beyond the microwatt level have been achieved.
© 2010 Optical Society of America
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