摘要
简介了杆箍缩二极管(RPD)基本物理过程,从轫致辐射方向性、二极管能量耦合、电子箍缩效率、二极管构型等方面综述了国内外对RPD窗口前向辐射剂量影响因素的研究进展,报道了相比于石墨阴极,采用LaB6爆炸发射阴极RPD在相同实验条件下使得距离光源1m处辐射剂量提高12%以上的实验结果,并进一步讨论提高RPD辐射剂量的可能技术途径。
The rod-pinch diode has been widely applied to flash radiography due to its merits of high brightness and spatial resolution.Many efforts have been committed to improve its dose while keeping the spot size small.Some factors affecting the rod pinch diode dose are reviewed,including the dose spatial distribution,the process on coupling energy to diode,the efficiency of electrons pinched to rod tip,the diode configuration,and so on.Experimental results are reported that the radiation dose of diode with LaB6 cathode increases by 12%at least compared to that of diode with graphite cathode.Some means to improve dose are analyzed.
出处
《强激光与粒子束》
EI
CAS
CSCD
北大核心
2016年第5期5-12,共8页
High Power Laser and Particle Beams
基金
国家自然科学基金项目(51207147
51477185
51407110)
中国工程物理研究院科学技术发展基金项目(2014B0402059)
