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arXiv · 2208.11773

Considerations on wakefield effects in a VUV FELO driven by a superconducting tesla-type linac

Alex H. Lumpkin·Henry P. Freund·Peter Van der Slot
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Abstract

The effects on beam dynamics from long-range and short-range wakefields from TESLA-type cavities are considered in regard to a proposed FEL oscillator (FE-LO) operating at 120 nm. This would be driven by the Fermilab Accelerator Science and Technology (FAST) linac at 300 MeV with a 3-MHz micropulse repetition rate. Our wakefield studies showed measurable effects on submacropulse centroid stability and on submicropulse head-tail kicks that can lead to emittance degradation. In the case of the former, we use MINERVA/OPC to simulate the ~100-$\mu$m centroid slew effects on the saturated output power levels of the FELO.

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Alex H. Lumpkin, Henry P. Freund, Peter Van der Slot. 2022-08-24. Considerations on wakefield effects in a VUV FELO driven by a superconducting tesla-type linac. https://arxiv.org/abs/2208.11773

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