Electron gun with an auto-emission cathode based on carbon nanotubes for a powerful millimeter-range extended interaction klystron

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Resumo

The possibilities of using auto-emission cathode-grided module in an electron-optical system of extended interaction klystron of the millimeter wavelength range are investigated. The results of a theoretical analysis of the developed design of an electron gun with high compression ratio are presented. The limits of the angular spread of electrons on the grid, which ensures the complete electron beam transmission through the interaction system of the device, are determined.

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Sobre autores

V. Rodyakin

Institute on Laser and Information Technologies – Branch of the Federal Scientific Research Centre “Crystallography and Photonics” of the Russian Academy of Sciences

Autor responsável pela correspondência
Email: vrodyakin@mail.ru
Rússia, Shatura

V. Aksenov

Lomonosov Moscow State University

Email: vrodyakin@mail.ru

Physics Department and International Laser Center

Rússia, Moscow

Bibliografia

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  3. Yuan X., Zhang Y., Yang H. et al. // IEEE Electron Device Lett. 2015. V. 36. P. 399.
  4. Field M., Kimura T., Atkinson J. et al. // IEEE Trans. Electron Devices. 2018. V. 65. No. 6. P. 2122.
  5. Родякин В.Е., Пикунов В.М., Аксенов В.Н. // Журн. радиоэлектрон. 2019. № 6. С. 21.
  6. Iacobucci S., Fratini M., Rizzo A. et.al. // J. Appl. Phys. 2016. V. 120. Art. No. 164305.
  7. https://www.3ds.com/products-services/simulia/products/cst-studio-suite.

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2. Fig. 1. Distribution of the longitudinal component of the focusing magnetic field on the axis (a). Equipotentials and trajectories of electrons calculated in the PARS program at zero angular spread of emitted electrons (b).

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3. Fig. 2. Equipotentials and trajectories of electrons (a), distributions of longitudinal (b), transverse (c) and angular (d) components of electron momentum in the electron beam in the output section of the electron gun calculated in the PARS program with an angular spread of emitted electrons of 2°.

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4. Fig. 3. Electron gun design (a) and electron trajectories calculated using the CST Studio program (b).

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