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Electron-optical system for a large-orbit gyrotron

  • Lectron and Ion Beams, Accelerators
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Abstract

An electron-optical system generating a rectilinear or helical 250 keV/4 A/10 μs electron beam with a high compression factor is developed. For the former beam, a compression factor as high as 4400 and a current density of 25 kA/cm2 are achieved. In the process of forming the helical beam, the electrons rotating about the system’s axis (paraxial beam) acquire an initial velocity in a transverse magnetic field produced by a kicker. Their pitch factor is increased to a desired (operating) value in an adiabatically growing magnetic field. In tentative experiments with the helical beam in a large-orbit gyrotron, generation was obtained at the second cyclotron harmonic (223 GHz).

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Authors and Affiliations

  1. Institute of Applied Physics, Russian Academy of Sciences, pr. Gagarina 23, Nizhni Novgorod, 603950, Russia

    V. L. Bratman, Yu. K. Kalynov, V. N. Manuilov & S. V. Samsonov

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  1. V. L. Bratman
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  2. Yu. K. Kalynov
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  3. V. N. Manuilov
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  4. S. V. Samsonov
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__________

Translated from Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) Fiziki, Vol. 75, No. 12, 2005, pp. 76–81.

Original Russian Text Copyright © 2005 by Bratman, Kalynov, Manuilov, Samsonov.

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Bratman, V.L., Kalynov, Y.K., Manuilov, V.N. et al. Electron-optical system for a large-orbit gyrotron. Tech. Phys. 50, 1611–1616 (2005). https://doi.org/10.1134/1.2148563

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  • DOI: https://doi.org/10.1134/1.2148563

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