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AKBP: Arbeitskreis Beschleunigerphysik
AKBP 12: AKBP Poster Session
AKBP 12.14: Poster
Thursday, March 21, 2024, 11:00–14:00, Poster A
Resonator design optimization for a compact transverse-deflecting system — •Sergei Glukhov1, Oliver Boine-Frankenheim1, Uwe Niedermayer1, Matthias Nabinger2, Jens Schäfer2, Michael J. Nasse2, Erik Bründermann2, and Anke-Susanne Müller2 — 1Institute for Accelerator Science and Electromagnetic Fields (TEMF), Darmstadt, Germany — 2Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany
Various design options have been studied and simulated using CST MICROWAVE STUDIO for a compact transverse-deflecting system proposed for diagnostics of extremely short electron bunches. The idea of the method is to use terahertz radiation, produced from optical rectification of the facility's electron gun laser pulse. The proposed system is to be checked experimentally at the test facility FLUTE (Ferninfrarot Linac- und Test-Experiment) at Karlsruhe Institute of Technology (KIT).
The present paper is focused on the simulations of the resonator providing interaction between the electron bunch and the terahertz pulse. Two types of resonators and their arrays have been studied for this purpose: inverse split-ring resonator and tilted slit resonator. Different types of terahertz pulse structure have been studied, including plane wave and transversally focused (Gaussian) beam. Useful analytical models have been proposed to systematize the results of the simulations.
Keywords: terahertz; streaking; split-ring resonator