Injection and trapping of tunnel-ionized electrons into laser-produced wakes.

  title={Injection and trapping of tunnel-ionized electrons into laser-produced wakes.},
  author={Adriana Pak and K. A. Marsh and Samuel F. Martins and Wen-qi Lu and W. B. Mori and Chan Joshi},
  journal={Physical review letters},
  volume={104 2},
A method, which utilizes the large difference in ionization potentials between successive ionization states of trace atoms, for injecting electrons into a laser-driven wakefield is presented. Here a mixture of helium and trace amounts of nitrogen gas was used. Electrons from the K shell of nitrogen were tunnel ionized near the peak of the laser pulse and were injected into and trapped by the wake created by electrons from majority helium atoms and the L shell of nitrogen. The spectrum of the… CONTINUE READING
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  • 1986
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