Pair Production by Strong Laser Field in High Density Plasmas

  • Toshihiro Taguchi
  • Kunioki Mima


Very intense beams produced by chirped pulse amplifier (CPA) lasers [1, 2] opened up new research fields in laser produced plasmas. One typical example is a fast ignition concept in inertial confinement fusion program [3]. When very strong laser field quivers electrons in a high density plasma and their velocities are near the speed of light in vacuum, the plasma cut-off density of the laser is reduced because the electron mass increases by a relativistic effect and then the electron plasma frequency decreases. As a result, the incident laser can penetrate into overdense region and can ignite a highly compressed fuel core.


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© Springer Science+Business Media New York 2000

Authors and Affiliations

  • Toshihiro Taguchi
  • Kunioki Mima

There are no affiliations available

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