Dortmund 2021 – wissenschaftliches Programm

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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 1: Beam Dynamics

AKBP 1.5: Vortrag

Montag, 15. März 2021, 17:00–17:15, AKBPa

Split-ring-resonator experiment at FLUTE - Simulation results — •Jens Schäfer for the FLUTE collaboration — KIT, Karlsruhe, Deutschland

FLUTE (Ferninfrarot Linac- Und Test-Experiment) is a compact linac-based test facility for accelerator and diagnostics R&D. An example for a new accelerator diagnostics tool currently studied at FLUTE is the split-ring-resonator (SRR) experiment, which aims to measure the longitudinal bunch profile of fs-scale electron bunches. Laser-generated THz radiation is used to excite a high frequency oscillating electromagnetic field in the SRR. Particles passing through the SRR gap are time-dependently deflected in the vertical plane, which allows a vertical streaking of an electron bunch. This principle allows a diagnosis of the longitudinal bunch profile in the femtosecond time domain and will be tested at FLUTE. This contribution presents an overview of the SRR experiment and the results of various tracking simulations for different scenarios as a function of laser pulse length and bunch charge. Based on these results possible working points for the experiments at FLUTE will be proposed.