利用分层靶中的相位滑移效应产生可控高质量电子束
Controllable high-quality electron beam generation by phase slippage effect in layered targets
摘要：
由激光和等离子体相互作用产生的气泡结构的大小取决于局部等离子体密度。自注入电子相对于尾场的位置可以通过调整纵向等离子体密度来控制。提出了一种提高尾场加速电子能量和改善束流质量的方法，并利用密度增加的分层等离子体实现了该方法。尾场的大小和电子聚束持续时间显着收缩，在这个制度。电子保持在尾流场的强加速阶段，而它们的能量扩散由于它们的紧密空间分布而减小。通过2.5D PIC模拟得到了能量为0.5GeV、能散小于0.01的电子束流。
英文摘要：
The bubble structure generated by laser and plasma interactions changes in size depending on the local plasma density. The self injection electrons position with respect to wakefield can be controlled by tailoring the longitudinal plasma density. A regime to enhance the energy of the wakefield accelerated electrons and improve the beam quality is proposed and achieved using layered plasmas with increasing densities. Both the wakefield size and the electron bunch duration are significantly contracted in this regime. The electrons remain in the strong acceleration phase of the wakefield while their energy spread decreases because of their tight spatial distribution. An electron beam of 0.5GeV with less than 0.01 energy spread is obtained through 2.5D PIC simulations.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
