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RIS citation export for TUPTS054: 1st+2nd Harmonic Photocathode Bimodal Gun R&D

TY  - CONF
AU  - Wang, L.
AU  - Fang, W.
AU  - Hirshfield, J.L.
AU  - Jiang, Y.
AU  - Shchelkunov, S.V.
AU  - Zhao, Z.T.
ED  - Boland, Mark
ED  - Tanaka, Hitoshi
ED  - Button, David
ED  - Dowd, Rohan
ED  - Schaa, Volker RW
ED  - Tan, Eugene
TI  - 1st+2nd Harmonic Photocathode Bimodal Gun R&D
J2  - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019
CY  - Melbourne, Australia
T2  - International Particle Accelerator Conference
T3  - 10
LA  - english
AB  - A novel Bimodal Electron Gun is designed to apply microwaves at two harmonically-related frequency in a 0.6 cell RF gun to increase the RF breakdown threshold and enhance the beam quality. This stratagem is intended to allow the RF gun structure to support a high accelera-tion gradient as well as to manipulate the emittance evolution in the half cell. By selecting a proper ampli-tude ratio and phase relationship between the first and second harmonic RF field components in the gun cavity, the superposition of the harmonic field components can provide a flat-top like RF profile to omitting the RF emittance component in the gun, while increase the RF breakdown threshold. The recent status of the Bimodal Electron Gun R&D is presented, including the designs of the novel two frequency RF structure and the simulation of the beam dynamic.
PB  - JACoW Publishing
CP  - Geneva, Switzerland
SP  - 2054
EP  - 2057
KW  - gun
KW  - emittance
KW  - cathode
KW  - electron
KW  - cavity
DA  - 2019/06
PY  - 2019
SN  - 978-3-95450-208-0
DO  - DOI: 10.18429/JACoW-IPAC2019-TUPTS054
UR  - http://jacow.org/ipac2019/papers/tupts054.pdf
ER  -