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Study of a 560-mm-long stripline kicker for HIT 10 MeV electron accelerator

Purpose A stripline kicker is required for Harbin Institute of Technology (HIT) 10 MeV electron accelerator to scan electrons horizontally in two directions, and the maximum deflecting angle is 65 mrad. In this study, a 560-mm-long stripline kicker was designed to achieve good field uniformity and o...

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Bibliographic Details
Published in:Radiation detection technology and methods 2021-09, Vol.5 (3), p.373-378
Main Authors: Zhu, Jianbin, Shi, Hua, Bai, Bowen, Zhang, Shu, Zhang, Zhandong, Chen, Bin, Chi, Yunlong
Format: Article
Language:English
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Summary:Purpose A stripline kicker is required for Harbin Institute of Technology (HIT) 10 MeV electron accelerator to scan electrons horizontally in two directions, and the maximum deflecting angle is 65 mrad. In this study, a 560-mm-long stripline kicker was designed to achieve good field uniformity and odd mode impedance matching. Methods In order to reduce power reflections and meet field uniformity requirement, we optimized the cross section of the kicker main body. Design and optimization of the stripline kicker were finished by CST. Results The field uniformity is 2% in the 60 mm (x) × 80 mm (y) region, as required. Considering impedance matching and manufacturing, the transmission odd mode impedance was finally chosen to 45 Ω, which indicated a reflecting loss of less than −50 dB below 1 MHz. The maximum field is less than 7 MV/m with a maximum pulse voltage of ±22 kV between the two electrodes when the electrons pass through the kicker. Conclusions The physical design of the stripline kicker has been finished, and the simulation results satisfied the requirements.
ISSN:2509-9930
2509-9949
DOI:10.1007/s41605-021-00256-7