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一台201.5MHz、2MeV、50mA的氘离子射频四极场(RFQ)加速器将用于北京大学中子实验平台。该加速器用4杆型谐振结构,同时为方便水冷采用了微翼型电极。射频结构设计使用了三维电磁场模拟软件MicrowaveStudio○R,并力求满足降低二极场效应和射频功率损耗的要求。文章讨论了优化设计方法并给出一个设计结果。
A 201.5MHz, 2MeV, 50mA deuterium ion radio frequency quadrupole (RFQ) accelerator will be used in the Peking University neutron experimental platform. The accelerator uses a 4-bar resonance structure, while the use of micro-wing electrode for the convenience of water cooling. The RF architecture was designed using MicrowaveStudio® R, a three-dimensional electromagnetic field simulation software that seeks to reduce the effects of both bipolar effects and RF power loss. The article discusses optimizing the design method and gives a design result.