Dortmund 2021 – wissenschaftliches Programm
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AKBP: Arbeitskreis Beschleunigerphysik
AKBP 10: Synchrotron Radiation and FELs
AKBP 10.6: Vortrag
Donnerstag, 18. März 2021, 15:15–15:30, AKBPa
Numerical simulation of a superradiant THz source at the PITZ facility — •natthawut chaisueb1,2, prach boonpornprasert3, mikhail krasilnikov3, xiangkun li3, anusorn lueangaramwong3, and sakhorn rimjaem1 — 1Plasma and Beam Physics Research Facility (PBP), Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai, Thailand — 2Doctor of Philosophy Program in Physics (International Program), Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai, Thailand — 3DESY, Zeuthen, Germany
An accelerator-based THz source is under development at the Photo Injector Test Facility at DESY in Zeuthen (PITZ). The facility can produce high brightness electron beams with high charge and small emittance. Currently, study on development of a tunable high-power THz SASE FEL for supporting THz-pump, X-ray probe experiments at the European XFEL is underway. An LCLS-I undulator, a magnetic chicane bunch compressor, and THz pulse diagnostics will be installed downstream the current setup of the PITZ beamline. Additionally to the SASE FEL, a possibility to generate superradiant THz undulator radiation from short electron bunches is under investigation. Numerical simulations of the superradiant THz radiation by using sub-picosecond electron bunches with energy of 6 - 22 MeV and bunch charge up to 2 nC produced from the PITZ accelerator are presented and discussed in this contribution.