Focusing System With Permanent Magnets for Klystrons

Applying permanent magnet technology to beam focusing in klystrons can reduce power consumption and increase reliability. These features benefit a variety of applications especially for large facilities that use a large number of klystrons such as the International Linear Collider. The low magnetic...

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Veröffentlicht in:IEEE transactions on applied superconductivity 2014-06, Vol.24 (3), p.1-5
Hauptverfasser: Fuwa, Yasuhiro, Iwashita, Yoshihisa, Tongu, Hiromu, Kitahara, Ryunosuke, Matsumoto, Toshihiro, Michizono, Shinichiro, Fukuda, Shigeki
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Sprache:eng
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Zusammenfassung:Applying permanent magnet technology to beam focusing in klystrons can reduce power consumption and increase reliability. These features benefit a variety of applications especially for large facilities that use a large number of klystrons such as the International Linear Collider. The low magnetic field needed for the purpose allows us to use inexpensive ferrite magnets instead of rare earth magnets. In order to evaluate the feasibility of such a focusing system with ferrite magnets, a test model for 750 kW L-band klystron was constructed. As a result of the power test, we attained 94% of the output power compared to an electromagnet.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2013.2292336