Generation of bright isolated attosecond soft X-ray pulses driven by multicycle midinfrared lasers (original) (raw)

2014, Proceedings of the National Academy of Sciences of the United States of America

AI-generated Abstract

High harmonic generation driven by femtosecond lasers enables the capture of moleculer and material dynamics. Here, bright isolated attosecond soft X-ray pulses are generated using 2 μm midinfrared lasers, achieving 180 eV photon energies and a duration of 35 attoseconds. The use of long-duration driving laser pulses addresses conversion efficiency challenges, showcasing a new approach to attosecond pulse generation in the soft X-ray region.

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