Experimental study on an X-band coaxial multi-beam relativistic klystron amplifier | Zendy

Liu Zhen-Bang | Zendy; Xiao Jin | Zendy; Hua Huang | Zendy; Huaibi Chen | Zendy; Ganping Wang | Zendy

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Experimental study on an X-band coaxial multi-beam relativistic klystron amplifier

Author(s) -

Liu Zhen-Bang,

Xiao Jin,

Hua Huang,

Huaibi Chen,

Ganping Wang

Publication year - 2012

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.61.238402

Subject(s) - klystron , amplifier , physics , coaxial , beam (structure) , power (physics) , relativistic electron beam , microwave , optics , rf power amplifier , s band , linear particle accelerator , electrical engineering , cathode ray , optoelectronics , electron , nuclear physics , engineering , quantum mechanics , cmos

The advantages of the tri-axial relativistic klystron amplifier and the multi-beam klystron amplifier are analyzed, and then an X-band coaxial multi-beam relativistic klystron amplifier is designed in order to increase the output microwave power and frequency. Based on the results from partial-in-cell simulation, the experiment is performed on the Sinus accelerator. In experiment, the transmission and bunching of electron beam are analyzed, and then the amplifier is driven by a beam of 5.3 kA at 670 kV, and the maximum output power is 420 MW when input power is 30 kW, and frequency is 9.375 GHz. The experiment proves that a ten kW-level input power can drive the X-band coaxial multi-beam relativistic klystron amplifier to generate more than one hundred MW-level output power.

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