Development of a High-repetition-rate Lumped-inductance Kicker Magnet Prototype for the Beam Switchyard of SHINE

分类： 核科学技术 >> 粒子加速器 提交时间： 2024-01-02

Yongfang Liu

摘要： The Shanghai high-repetition-rate X-ray free-electron laser and extreme light facility (SHINE)operates at a maximum repetition rate of 1 MHz. Kicker magnets are key components thatdistribute electron bunches into three different undulator lines in a bunch-by-bunch mode. Thekicker field width must be less than the time interval between bunches. A lumped-inductancekicker prototype was developed using a vacuum chamber with a single-turn coil. The fullmagnetic-field strength was 0.005 T. This paper presents the requirements, designconsiderations, design parameters, magnetic field calculations, and measurements of the kickermagnets. The relevant experimental results are also presented. The pulse width of the magneticfield was approximately 600 ns, and the maximum operation repetition rate was 1 MHz. Thedeveloped kicker satisfies the requirements for the SHINE project. Finally, numerousrecommendations for the future optimization of kicker magnets are provided.

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