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Mini-LIA is a miniature of a linear induction accelerator developed by China Academy of Engineering Physics and Tsinghua University in 2007. It has been constructed with a thermionic cathode in an electron injector and a metglas core in the induction accelerator cavities. A double-pulsed electron beam was produced for the first time in China on the Mini-LIA with a thermionic cathode in the electron gun and a metglas core in the induction accelerator cavities. A double-pulsed beam current of more than 1.1 A was obtained on condition of 80 k V double-pulsed high voltage produced by pulsed power system supplying to the injector and accelerating modules. Some primary experiments for measuring the parameters of Mini-LIA has been performed, and some beam characterizations of Mini-LIA are presented. Further improvement is underway. 相似文献
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反磁回路(Diamagnetic loop,DML)诊断强流脉冲电子束半径的技术是一种可在线诊断的技术. 这种诊断技术与其他方法(如三梯度法)相配合可以同时在线诊断强流脉冲电子束的发射度、束包络斜率等参数. 介绍了反磁回路诊断电子束时间分辨均方根半径的原理, 并建立了相应的装置,通过标定给出了定标系数. 利用反磁回路诊断装置测量了2MeV直线感应型注入器出口处双脉冲强流电子束包络的均方根半径分别为6.84mm和5.63mm,和用分幅相机同步测量的结果具有较好的一致性. 相似文献
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通过一台2 MeV直线感应型强流电子注入器建立的双脉冲功率源系统,实验研究了天鹅绒阴极产生的相对论性猝发双脉冲强流电子束基本特性,给出了双脉冲电子束的积分发射度、亮度和双脉冲电子束时间分辨包络变化情况。研究结果表明:天鹅绒阴极产生的双脉冲的亮度达到108 A·(m·rad)-2;实验得到的两个脉冲电子束包络半径不完全一致,这是由于天鹅绒阴极在发射电子束过程中产生的阴极等离子体对真空二极管的影响程度不同所导致的。 相似文献
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