Suppression of parasitic secondary emission in a magnetron-injection gun of a 24-GHz technological gyrotron
This article analyzes the ways of reducing the parasitic emission current in the electron beam formation system of a technological gyrotron. The operation of the magnetron-injection gun in the quasi-critical mode and the profiling of the cathode can significantly reduce the space charge of electrons...
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| Autores principales: | , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
Elsevier
2021
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/484864247ae84596aece5dcfdfc70c4c |
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| Sumario: | This article analyzes the ways of reducing the parasitic emission current in the electron beam formation system of a technological gyrotron. The operation of the magnetron-injection gun in the quasi-critical mode and the profiling of the cathode can significantly reduce the space charge of electrons captured in a magnetic trap between the gun and the entrance to the gyrotron working space. The calculated electron-gun configurations improve the beam quality, especially in the regimes with a high pitch factor. |
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