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Laser-driven relativistic recollisions

Journal of the Optical Society of America B: Optical Physics, ISSN: 0740-3224, Vol: 25, Issue: 7
2008
  • 19
    Citations
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  • 15
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Metrics Details

  • Citations
    19
    • Citation Indexes
      19
  • Captures
    15

Conference Paper Description

We discuss several methods to realize efficient rescattering of the ionized electron in various relativistic regimes with the recollision energy spanning from the kilo-electron-volt to the mega-electron-volt range. In an energy domain of several tens of kilo-electron-volts, the recollisions are achieved via assisting the infrared strong laser field with a weak attosecond pulse train (APT) of extreme ultraviolet photons. For recollisions in the mega-electron-volt domain, strong counterpropagating APTs are employed. High-order harmonic emission in these setups are enhanced by several orders of magnitude in comparison to the case of a single laser wave. This way hard x-ray harmonics and extreme short pulses can be feasible. © 2008 Optical Society of America.

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