A multi-frequency RF photocathode gun | Zendy

Sergey Kuzikov | Zendy; J. L. Hirshfield | Zendy; Y. Jiang | Zendy; A. А. Vikharev | Zendy; V. Vogel | Zendy

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A multi-frequency RF photocathode gun

Author(s) -

Sergey Kuzikov,

J. L. Hirshfield,

Y. Jiang,

A. А. Vikharev,

V. Vogel

Publication year - 2012

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.4788990

Subject(s) - photocathode , electron gun , thermal emittance , radio frequency , cathode , physics , klystron , beam emittance , beam (structure) , cathode ray , ohmic contact , optics , rf power amplifier , harmonic , optoelectronics , power (physics) , electron , electrical engineering , electrode , acoustics , engineering , nuclear physics , amplifier , quantum mechanics , cmos

The concept of a photocathode injection gun driven by several harmonically related phase-locked RF sources is considered. This concept is aimed at providing electron bunches with parameters as follows: charge/bunch ≥1 nC, bunch energy 5-10 MeV, bunch width 20-40 ps, and fundamental frequency = 1.3 GHz. In comparison with a conventional single mode 1.5 cell injection gun, multi-harmonic excitation can allow operation with lower RF power input, lower Ohmic losses, and lower beam emittance (for a given cathode field).

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