X波段驻波直线加速管仿真设计与研究  

Simulation Design of an X-Band Standing Wave Linear Accelerating Tube

作　　者：蓝清宏 万知之 王麟[1] 张博鹏 LAN Qing-hong;WAN Zhi-zhi;WANG Lin;ZHANG Bo-peng(Beijing Vacuum Electronics Research Institute,Beijing 100015,China)

机构地区：[1]北京真空电子技术研究所,北京100015

出　　处：《真空电子技术》2023年第2期39-44,共6页Vacuum Electronics

摘　　要：近年来医疗和工业应用领域对小型化电子直线加速器的需求日益增多,本文以2.3 MW多注速调管作为微波功率源,设计了X波段轴耦合双周期π/2模驻波加速结构,工作频率为9.3 GHz,利用电磁模拟软件进行设计优化,计算结果表明输出能量可实现4 MeV/2 MeV/1 MeV三档能量可调,加速管总长为230.9 mm。实现三档低能电子均可在同一加速管上获取,相较之前研制的S波段4 MeV加速管,总体管长缩短16.64%,配套的屏蔽组件重量及尺寸均减少50%以上。The demand for miniaturized electron linear accelerators in medical and industrial applications is increasing.By using a 2.3 MW multi beam klystron as the microwave power source,an X-band axial-coupled dual cycle standing wave acceleration structure is designed,which works inπ/2 mode at a working frequency of 9.3 GHz.Optimization design is carried out using electromagnetic simulation software.The calculation results show that 4 MeV/2 MeV/1 MeV continuously adjustable output energy can be achieved.The total length of the acceleration tube is 230.9 mm including the electron gun and the target.Three levels of low energy electrons can be obtained on one accelerator.Compared with previous 4 MeV S-band tubes,the overall length of the developed one is reduced by 16.64%,and the weight and size of the supporting shielding room will be reduced by more than half.

关 键 词：紧凑型 X波段 驻波 加速管 

分 类 号：TL53[核科学技术—核技术及应用]