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@inproceedings{georgiev:ipac2021-wepab115,
author = {G.Z. Georgiev and N. Aftab and P. Boonpornprasert and N. Chaisueb and J. Good and M. Groß and W. Hillert and C. Koschitzki and M. Krasilnikov and X. Li and O. Lishilin and A. Lueangaramwong and D. Melkumyan and S.K. Mohanty and R. Niemczyk and A. Oppelt and H.J. Qian and H. Shaker and G. Shu and F. Stephan and G. Vashchenko and T. Weilbach},
% author = {G.Z. Georgiev and N. Aftab and P. Boonpornprasert and N. Chaisueb and J. Good and M. Groß and others},
% author = {G.Z. Georgiev and others},
title = {{Beam Preparation with Temporally Modulated Photocathode Laser Pulses for a Seeded THz FEL}},
booktitle = {Proc. IPAC'21},
pages = {2866--2869},
eid = {WEPAB115},
language = {english},
keywords = {FEL, laser, cathode, electron, simulation},
venue = {Campinas, SP, Brazil},
series = {International Particle Accelerator Conference},
number = {12},
publisher = {JACoW Publishing, Geneva, Switzerland},
month = {08},
year = {2021},
issn = {2673-5490},
isbn = {978-3-95450-214-1},
doi = {10.18429/JACoW-IPAC2021-WEPAB115},
url = {https://jacow.org/ipac2021/papers/wepab115.pdf},
note = {https://doi.org/10.18429/JACoW-IPAC2021-WEPAB115},
abstract = {{The need for carrier-envelope-phase (CEP) stable THz pump pulses is recognized at many pump-probe experiments at the European XFEL. At the Photo Injector Test Facility at DESY in Zeuthen (PITZ), a proof-of-principle experiment of an accelerator-based THz FEL source is in preparation. Since the CEP stability of FEL pulses is not guaranteed in the SASE regime, a seeding scheme is needed. A common scheme for seeding is to drive the microbunching process with external laser pulses, which are power-limited in the THz range. Alternatively, a pre-bunched beam, generated for example by applying a temporally modulated photocathode laser pulse, can be used to drive the FEL. The beam dynamics with such a seeding method are studied with ASTRA tracking code simulations with space-charge forces as well as experimentally. The results of these studies are shown and discussed.}},
}