Non-sequential double ionization of ar: from the single- to the many-cycle 
regime

Kübel, Matthias; Betsch, Kelsie; Kling , Nora G.; Alnaser, A.S.; Schmidt, J.; Kleineberg, U.; Deng, Yunpei; Ben-Itzhak, I.; Paulus, G.G.; Pfeifer, Thomas; Ullrich, Joachim H.; Moshammer, Robert; Kling, Matthias F.; Bergues, Boris

doi:10.1088/1367-2630/16/3/033008

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Non-sequential double ionization of ar: from the single- to the many-cycle regime

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Kübel, Matthias
Attosecond Imaging, Laboratory for Attosecond Physics, Max Planck Institute of Quantum Optics, Max Planck Society;
Department für Physik, Ludwig-Maximilians-Universität;

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Betsch, Kelsie
Attosecond Imaging, Laboratory for Attosecond Physics, Max Planck Institute of Quantum Optics, Max Planck Society;
J R Macdonald Laboratory, Physics Department, Kansas State University;

Kling , Nora G.
Attosecond Imaging, Laboratory for Attosecond Physics, Max Planck Institute of Quantum Optics, Max Planck Society;
J R Macdonald Laboratory, Physics Department, Kansas State University;

Alnaser, A.S.
Attosecond Imaging, Laboratory for Attosecond Physics, Max Planck Institute of Quantum Optics, Max Planck Society;
Physics Department, American University of Shariah;
Physics and Astronomy Department, King-Saud University;

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Deng, Yunpei
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Pfeifer, Thomas
Division Prof. Dr. Thomas Pfeifer, MPI for Nuclear Physics, Max Planck Society;

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Moshammer, Robert
Division Prof. Dr. Thomas Pfeifer, MPI for Nuclear Physics, Max Planck Society;

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Kling, Matthias F.
Attosecond Imaging, Laboratory for Attosecond Physics, Max Planck Institute of Quantum Optics, Max Planck Society;
Department für Physik, Ludwig-Maximilians-Universität;
J R Macdonald Laboratory, Physics Department, Kansas State University;

/persons/resource/persons60415

Bergues, Boris
Attosecond Imaging, Laboratory for Attosecond Physics, Max Planck Institute of Quantum Optics, Max Planck Society;

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http://iopscience.iop.org/1367-2630/16/3/033008/
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Citation

Kübel, M., Betsch, K., Kling, N. G., Alnaser, A., Schmidt, J., Kleineberg, U., et al. (2014). Non-sequential double ionization of ar: from the single- to the many-cycle regime. New Journal of Physics, 16(3): 033008. doi:10.1088/1367-2630/16/3/033008.

Cite as: https://hdl.handle.net/11858/00-001M-0000-001A-1F34-1

Abstract

The transition from the near-single to the multi-cycle regime in non-sequential double ionization of argon is investigated experimentally. Argon atoms are exposed to intense laser pulses with a center wavelength around 790 nm and the momenta of electrons and ions generated in the double ionization process are measured in coincidence using a reaction microscope. The duration of the near transform-limited pulses is varied from 4 to 30 fs. We observe an abrupt collapse of the cross-shaped two-electron momentum distribution [17] in the few-cycle regime. The transition to longer pulses is further accompanied by a strong increase in the fraction of anti-correlated to correlated electrons.