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Generation of electron beams in a multicathode secondary-emission source

  • Electron and Ion Beams, Accelerators
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Abstract

A study is made of the generation of electron beams in a system consisting of eight secondary-emission cathodes arranged at regular intervals in the azimuthal direction inside a coaxial cylindrical anode in crossed electric and magnetic fields. In this system with an azimuthally nonuniform electric field, secondary-emission multiplication of electrons is realized and beam generation is achieved. With a cathode voltage of ∼37 kV and a magnetic field of ∼3000 Oe, the total current of all the beams amounts to ∼35 A, the microperveance of each beam being ∼0.7 µA/V3/2.

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Authors and Affiliations

  1. National Science Center, Uskoritel’ Research Complex, Kharkov Institute of Physics and Technology, Kharkov, 61108, Ukraine

    N. I. Aizatskii, V. N. Boriskin, A. N. Dovbnya, V. V. Zakutin, V. A. Kushnir, V. A. Mitrochenko, N. G. Reshetnyak, V. P. Romas’ko, Yu. Ya. Volkolupov & M. A. Krasnogolovets

Authors
  1. N. I. Aizatskii
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  2. V. N. Boriskin
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  3. A. N. Dovbnya
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  4. V. V. Zakutin
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  5. V. A. Kushnir
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  6. V. A. Mitrochenko
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  7. N. G. Reshetnyak
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  8. V. P. Romas’ko
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  9. Yu. Ya. Volkolupov
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  10. M. A. Krasnogolovets
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Additional information

__________

Translated from Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) Fiziki, Vol. 73, No. 2, 2003, pp. 113–117.

Original Russian Text Copyright © 2003 by A\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\)zatski\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\), Boriskin, Dovbnya, Zakutin, Kushnir, Mitrochenko, Reshetnyak, Romas’ko, Volkolupov, Krasnogolovets.

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Aizatskii, N.I., Boriskin, V.N., Dovbnya, A.N. et al. Generation of electron beams in a multicathode secondary-emission source. Tech. Phys. 48, 245–249 (2003). https://doi.org/10.1134/1.1553568

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  • DOI: https://doi.org/10.1134/1.1553568

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