The conceptual design of a 36 GHz RF undulator

Zhu, D. and Tan, Y. R. E. and Zhang, L. and Cross, A.; (2019) The conceptual design of a 36 GHz RF undulator. In: Proceedings of the 10th International Particle Accelerator Conference. JACoW, AUS, pp. 1676-1678. ISBN 978-3-95450-208-0

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    The CompactLight project supported by European H₂020 is to design a hard X-ray FEL facility beyond today’s state of the art. The project integrates photo injector, X-band acceleration and innovative compact short-period undulators together to make the machine more compact. RF undulator has an extraordinary advantage of working at very short undulator period. A conceptual design for a RF undulator at 36 GHz using a corrugated cylindrical waveguide operating in the HE11 mode is presented in this paper. Based on beam dynamics simulation and photon beam radiation simulations, the possibility of RF undulator to be used in CompactLight project is evaluated.