Transformation of the Flash-Ⅱ accelerator
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摘要: 针对系统电磁脉冲效应研究需求,项目组对闪光二号加速器进行了适应性改造,以便于产生脉冲硬X射线。主要采用二次成形的水线结构,重点进行了水开关设计,并完成了实验调试。装置输出电压650 kV~1.3 MV稳定可调,脉冲宽度60 ns,前沿由改造前的80 ns缩短至改造后的30 ns,在国内首次成功驱动串级二极管,产生前沿29 ns、射线宽度约53 ns的脉冲硬X射线。Abstract: For the requirements of SGEMP research, the Flash-Ⅱ accelerator has been transformed to improve the simulation capability of pulsed hard X rays. A two-stage waterline together with its water switches was adopted to upgrade the driver. The experimental results show that the designed performance has been achieved. With a much shorter risetime of 30 ns, the transformed accelerator now can reliably output a 60 ns width voltage from 650 kV to 1.3 MV. Using the accelerator, a diode with two stages in series has been developed and 53 ns pulse X-rays with risetime of 29 ns have been obtained successfully.
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Key words:
- waterline /
- pulsed X-ray /
- accelerator /
- switch
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