From radiofrequency sources to particle beam: optimisation of Radio Frequency (RF) power transfer for accelerating cavities.
DRF/IRFU/DACM/LISAH
Wed, Jan. 10th 2024, 14:00
Bat 774, amphithéâtre Claude Bloch, CEA Saclay, Orme des Merisiers
The principle of particles accelerators consists into the transfer of energy from the electricity power grid to a particle beam. The aim of the research and development on accelerators finally consists into the optimization of this transfer. The work during my defense will concentrate on the following points:
- How to develop superconducting cavities design, fabrication and preparation to optimize the RF power transfer from the coupler to the accelerating field. I will especially detail two examples: the ESS high beta elliptical cavity and the DONES high beta Half Wave Resonator.
- How to optimize the magnetic environment of cavities to guarantee cavity performances. I will focus on magnetic shielding development, magnetic hygiene and magnetic sensors.
- How to optimize RF power sources efficiency, from the output power improvement in Traveling Wave Tubes to efficiency optimization in klystrons.
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