Speaker
Description
Since a number of years, energy efficiency has become a priority for particle accelerators both in operation and under design. Klystrons and other RF sources have been the subject of revised design in order to decrease energy consumption and increase their beam to RF efficiency. However, ancillary systems like HV systems and electromagnets can be a non-negligible power sink and may spoil the gain obtained so hard. After successfully operating a superconducting magnet as a solenoid for a high efficiency klystron since 2022, we have designed and built a permanent magnet solenoid for a similar vacuum tube that will bring the consumption of the magnetic system to zero. We will present the design, construction and final measurements of the first prototype but also illustrate the challenging path to this proof of principle and further optimization. From the design of the solenoid to the simulations of the beam inside the RF and magnetic channel, or the necessary re-design of input and output waveguides and collector. Lessons learned are as important as the results themselves towards the transfer of this technology to any other Klystron currently in the market.
Funding Agency
This project has received funding from the European Union’s Horizon 2020 Research and Innovation programme under Grant Agreement No 101004730.
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