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In this paper, we develop a high-energy three-channel parallel waveform synthesizer using a CEP-stabilized high energy Ti:sapphire laser [1] operating at 10 Hz, and demonstrate high-flux continuum harmonics from Ar gas target. Our three-channel waveform synthesizer consists of a Ti:sapphire laser pulse (44 mJ, 28 fs) and an infrared OPA (signal: 6 mJ, 33 fs, idler: 3 mJ, 40 fs). By combining the waveform...
To make a breakthrough for attosecond science, one of the most important issues is the development of high-power isolated attosecond pulses (IAPs) and/or attosecond pulse trains (APTs). At present high-power APTs have been successfully generated thanks to research on harmonic energy scaling using a loosely focusing geometry [1]. Although IAP were already obtained using a state-of-the-art Ti:sapphire...
We have demonstrated efficient generation of water-window X-ray harmonics by using an IR parametric source with neutral rare-gas media. Generation of isolated attosecond pulses by the IR source will be also discussed.
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