Darmstadt 2016 – wissenschaftliches Programm

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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 11: Poster

AKBP 11.23: Poster

Mittwoch, 16. März 2016, 18:30–20:30, S1/05 22-24

PSpice Modeling of Broadband RF Cavities for Transient and Frequency Domain Simulations — •Jens Harzheim — Institut für Theorie Elektromagnetischer Felder, Fachgebiet Beschleunigertechnik, TU Darmstadt

In the future accelerator facility FAIR, Barrier-Bucket Systems will play an important role for different longitudinal beam manipulations. As the function of this type of system is to provide single sine gap voltages, the components of the system have to operate in a broad frequency range. To investigate the different effects and to design the different system components, the whole Barrier-Bucket System is to be modeled in PSpice. While for low power signals, the system shows linear behavior, nonlinear effects arise at higher amplitudes. Therefore, simulations in both, frequency and time domain are needed. The highly frequency dependent magnetic alloy ring cores of the future Barrier-Bucket cavity have been modeled in a first step and based on these models, the whole cavity was analyzed in PSpice. The simulation results show good agreement with former measurements.