Matching of a Space-Charge Dominated Beam into the Undulator of the THz SASE FEL at PITZ

Li, Xiangkun; Aboulbanine, Zakaria; Adhikari, Gowri; Aftab, Namra; Amirkhanyan, Zohrab; Boonpornprasert, Prach; Castro Carballo, Maria Elena; Chaisueb, Natthawut; Georgiev, Georgi; Good, James; Groß, Matthias; Koschitzki, Christian; Krasilnikov, Mikhail; Lishilin, Osip; Lueangaramwong, Anusorn; Melkumyan, David; Niemczyk, Raffael; Oppelt, Anne; Qian, Houjun; Shu, Guan; Stephan, Frank; Vashchenko, Grygorii; Weilbach, Tobias

doi:10.18429/JACoW-IPAC2021-WEPAB257

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RIS citation export for WEPAB257: Matching of a Space-Charge Dominated Beam into the Undulator of the THz SASE FEL at PITZ

TY  - CONF
AU  - Li, X.
AU  - Aboulbanine, Z.
AU  - Adhikari, G.D.
AU  - Aftab, N.
AU  - Amirkhanyan, Z.G.
AU  - Boonpornprasert, P.
AU  - Castro Carballo, M.E.
AU  - Chaisueb, N.
AU  - Georgiev, G.Z.
AU  - Good, J.
AU  - Groß, M.
AU  - Koschitzki, C.
AU  - Krasilnikov, M.
AU  - Lishilin, O.
AU  - Lueangaramwong, A.
AU  - Melkumyan, D.
AU  - Niemczyk, R.
AU  - Oppelt, A.
AU  - Qian, H.J.
AU  - Shu, G.
AU  - Stephan, F.
AU  - Vashchenko, G.
AU  - Weilbach, T.
ED  - Liu, Lin
ED  - Byrd, John M.
ED  - Neuenschwander, Regis T.
ED  - Picoreti, Renan
ED  - Schaa, Volker R. W.
TI  - Matching of a Space-Charge Dominated Beam into the Undulator of the THz SASE FEL at PITZ
J2  - Proc. of IPAC2021, Campinas, SP, Brazil, 24-28 May 2021
CY  - Campinas, SP, Brazil
T2  - International Particle Accelerator Conference
T3  - 12
LA  - english
AB  - The Photo Injector Test facility at DESY in Zeuthen (PITZ) is developing a THz SASE FEL as a prototype high repetition rate accelerator-based source for the THz-pumped, X-ray-probed experiments at the European XFEL. For the generation of THz pulses of mJ-level energy from SASE, an electron beam with a high charge (up to 4 nC) and high peak current (~200 A) will be injected into an LCLS-I undulator, which is currently being installed at the end of the photo-injector. The narrow vacuum chamber (11x5 mm) between the magnetic poles and the strong vertical focusing from the undulator, as well as the lack of beam diagnostics, have made it a challenge to match the space-charge dominated beam into the undulator without beam loss during the following transport. In this paper, boundary conditions of a matched electron beam will be discussed and the simulation and experimental study on our matching strategy will be presented.
PB  - JACoW Publishing
CP  - Geneva, Switzerland
SP  - 3244
EP  - 3247
KW  - undulator
KW  - electron
KW  - experiment
KW  - quadrupole
KW  - FEL
DA  - 2021/08
PY  - 2021
SN  - 2673-5490
SN  - 978-3-95450-214-1
DO  - doi:10.18429/JACoW-IPAC2021-WEPAB257
UR  - https://jacow.org/ipac2021/papers/wepab257.pdf
ER  -