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Attosecond streak camera.

J Itatani1, F Quéré, G L Yudin

  • 1Steacie Institute for Molecular Sciences, National Research Council of Canada, Ottawa, Ontario, Canada K1A 0R6.

Physical Review Letters
|May 15, 2002
PubMed
Summary
This summary is machine-generated.

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Measuring single sub-100 attosecond x-ray pulses is possible by observing how laser fields deflect photoionized electrons. The electron

Area of Science:

  • Quantum optics
  • Attosecond science
  • Strong-field physics

Background:

  • X-ray photoionization releases electrons.
  • Strong laser fields can deflect these electrons.
  • The electron's trajectory depends on the laser field's phase during ionization.

Purpose of the Study:

  • To investigate the phase dependence of electron deflection.
  • To develop a method for measuring ultrashort X-ray pulse properties.

Main Methods:

  • Simulating electron trajectories in combined X-ray and laser fields.
  • Analyzing the energy and angular distribution of photoionized electrons.

Main Results:

  • Electron energy and angular distributions show strong dependence on the laser field phase at ionization.

Related Experiment Videos

  • This phase dependence is sensitive to the duration and chirp of the X-ray pulse.

    • Conclusions:

    • The phase dependence of laser-induced electron deflection provides a novel diagnostic for single sub-100 attosecond X-ray pulses.
    • This method allows for precise measurement of X-ray pulse duration and chirp.