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Sub-laser-cycle electron pulses for probing molecular dynamics

Author

Listed:
  • Hiromichi Niikura

    (National Research Council of Canada)

  • F. Légaré

    (Université de Sherbrooke)

  • R. Hasbani

    (National Research Council of Canada)

  • A. D. Bandrauk

    (Université de Sherbrooke)

  • Misha Yu. Ivanov

    (National Research Council of Canada)

  • D. M. Villeneuve

    (National Research Council of Canada)

  • P. B. Corkum

    (National Research Council of Canada)

Abstract

Experience shows that the ability to make measurements in any new time regime opens new areas of science. Currently, experimental probes for the attosecond time regime (10-18–10-15 s) are being established. The leading approach is the generation of attosecond optical pulses by ionizing atoms with intense laser pulses. This nonlinear process leads to the production of high harmonics during collisions between electrons and the ionized atoms. The underlying mechanism implies control of energetic electrons with attosecond precision. We propose that the electrons themselves can be exploited for ultrafast measurements. We use a ‘molecular clock’, based on a vibrational wave packet in H2+ to show that distinct bunches of electrons appear during electron–ion collisions with high current densities, and durations of about 1 femtosecond (10-15 s). Furthermore, we use the molecular clock to study the dynamics of non-sequential double ionization.

Suggested Citation

  • Hiromichi Niikura & F. Légaré & R. Hasbani & A. D. Bandrauk & Misha Yu. Ivanov & D. M. Villeneuve & P. B. Corkum, 2002. "Sub-laser-cycle electron pulses for probing molecular dynamics," Nature, Nature, vol. 417(6892), pages 917-922, June.
    • Handle: RePEc:nat:nature:v:417:y:2002:i:6892:d:10.1038_nature00787
    DOI: 10.1038/nature00787
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    Cited by:

    1. Zhenzhen Wang & Xiaoqing Hu & Xiaorui Xue & Shengpeng Zhou & Xiaokai Li & Yizhang Yang & Jiaqi Zhou & Zheng Shu & Banchi Zhao & Xitao Yu & Maomao Gong & Zhenpeng Wang & Pan Ma & Yong Wu & Xiangjun Che, 2023. "Directly imaging excited state-resolved transient structures of water induced by valence and inner-shell ionisation," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    2. Terry Mullins & Evangelos T. Karamatskos & Joss Wiese & Jolijn Onvlee & Arnaud Rouzée & Andrey Yachmenev & Sebastian Trippel & Jochen Küpper, 2022. "Picosecond pulse-shaping for strong three-dimensional field-free alignment of generic asymmetric-top molecules," Nature Communications, Nature, vol. 13(1), pages 1-7, December.
    3. Andrew S. Maxwell & Lars Bojer Madsen & Maciej Lewenstein, 2022. "Entanglement of orbital angular momentum in non-sequential double ionization," Nature Communications, Nature, vol. 13(1), pages 1-12, December.

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