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行波加速管是行波电子直线加速器核心部件,一般采用一系列外置磁场线圈进行横向聚焦,本文通过对加速管盘片结构进行分析计算,得到了可以改善和提高加速结构自身聚焦性能的锥面结构,如图1所示。在优化计算中,使用SuperFish软件对电磁场进行了计算,计算结果如图2、3所示,并对两个锥面参数进行优化,即锥面角度c和锥面长度l,通过分析计算行波加速结构中场分布的特点及其依赖条件,研究行波加速结构盘片的改进优化对加速场的
Traveling wave accelerating tube is the core component of traveling-wave electron linear accelerator. Generally, a series of external magnetic field coils are used for horizontal focusing. In this paper, the structure of accelerating tube disk is analyzed and calculated, and the cone which can improve and enhance the focusing performance of accelerating structure Surface structure, shown in Figure 1. In the optimization calculation, using the SuperFish software to calculate the electromagnetic field, the calculation results shown in Figure 2 and 3, and the two parameters of the cone to optimize the cone angle c and cone length l, by analyzing the traveling wave Accelerate the midfield distribution of the structure and its dependence on conditions to study the traveling wave acceleration structure of the disk to optimize the optimization of the acceleration field