| Autore/i: | Behtouei M. et al. | ||||
| Titolo: | Initial electromagnetic and beam dynamics design of a Klystron amplifier for Ka-Band Accelerating Structures | ||||
| Numero: | INFN-19-12/LNF | ||||
| Data: | 08-07-2019 | ||||
| PACS: | |||||
| Pubblicato su: | |||||
| PDF file: | INFN-19-12-LNF.pdf | ||||
| URL: | |||||
| Abstract: | In the framework of the Compact Light XLS project a compact third harmonic RF accelerating structure at 35.982 GHz with respect to the main Linac frequency 11.994 GHz, working with an ultra-high gradient accelerating field in order to linearize the longitudinal space phase is adopted. To this end an innovative high power Ka band klystron operating at about 35.982 GHz has to be designed for feeding the linearizer structure. In addition, we also are planning to design a Ka band klystron operating on the third harmonic of TM01 mode. The generation of a high density electron beam by using the Pierce type electron gun is also requested. The electron gun goal is to produce a converging high beam current that matches to a focusing magnetic field in such way to obtain about 100 MW beam power. This paper proposes a possible design of a electron gun to be used in millimetric waves vacuum tubes. We here report the preliminary studies of the electron gun and the related beam dynamic. Estimations have been obtained by using the numerical code CST and analytical approaches. |
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