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分析并推导出了环形强流电子束的稳定传输条件,通过静电磁场模拟计算对CHP01强流电子加速器二极管引导磁场的位形分布、幅值大小及磁场电源进行了优化设计.经实验调试及束斑测量,表明设计的1秒磁场满足束流稳定传输条件,能使电压800kV、电流8kA、脉冲宽度40ns、脉冲重复频率100Hz的环形强流电子束稳定传输,并已成功运用于CHP01强流电子加速器束流传输系统.
The steady transmission condition of annular strong current electron beam was analyzed and deduced. The shape distribution, amplitude and magnetic field power of the diode guidance magnetic field of CHP01 high current electron accelerator were optimized by the simulation of electrostatic field. The spot measurement shows that the designed 1-second magnetic field satisfies the stable transmission condition of the beam and can stably transmit the annular strong electron beam with a voltage of 800 kV, a current of 8 kA, a pulse width of 40 ns and a pulse repetition frequency of 100 Hz, and has been successfully applied to the CHP01 high- Accelerator beam transmission system.