Generation of high-current relativistic electron beams with stable (for a microsecond) parameters using explosive emission cathodes |
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Authors: | O T Loza |
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Institution: | 1.Prokhorov General Physics Institute,Russian Academy of Sciences,Moscow,Russia |
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Abstract: | Cold explosive emission cathodes, in which a plasma serves as an emitting surface, are used to generate relativistic electron
beams with a high current density in a magnetic field. The plasma parameters change within a microsecond, thereby significantly
changing the geometry of the electron beam. This paper is a review of techniques for stabilizing the geometry of microsecond
high-current relativistic electron beams. It is shown that only a transverse-blade explosive emission cathode in a magnetically
insulated diode can generate such beams (500 keV, 3 kA) the current density profile and electron trajectory pitch factor of
which remain constant for a microsecond. |
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Keywords: | |
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