Journal
JAPANESE JOURNAL OF APPLIED PHYSICS
Volume 53, Issue 8, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.7567/JJAP.53.082701
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- Grants-in-Aid for Scientific Research [26247068] Funding Source: KAKEN
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We report 860 W average power, similar to 440 fs laser pulse generation inside a 15.2 MHz thin-disk ring oscillator under development for intra-cavity high-order harmonic generation (HHG). This has been achieved by placing a Kerr lens mode-locking setup in a low-pressure chamber. The intra-cavity pulse energy is similar to 57 mu J with an estimated peak power of 130 MW, which is the highest, to the best of our knowledge, in ring type oscillators. By focusing these laser pulses, we can expect a peak intensity high enough for demonstration of intra-cavity HHG at the multi MHz repetition rate to facilitate experiments in photoelectron spectroscopy. (C) 2014 The Japan Society of Applied Physics
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