飞秒激光脉冲辐照纳米线阵列靶产生高效率水窗X射线
等离子体物理
2021-02-24 v1 光学
摘要
我们展示了在 4*10^19 W/cm^2 强度下，飞秒激光脉冲辐照聚乙烯纳米线阵列靶产生高效率水窗软X射线发射。实验结果表明，与平面靶相比，纳米线阵列靶的水窗X射线发射增强了一个数量级以上。测得从激光到水窗X射线的最高能量转换效率为 0.5%/sr，来自具有最长纳米线的靶。在粒子在胞模拟和原子动力学代码的支持下，讨论了导致高转换效率的物理机制。
引用
@article{arxiv.2012.08856,
title = {High-efficiency water-window x-ray generation from nanowire array targets irradiated with femtosecond laser pulses},
author = {Yinren Shou and Defeng Kong and Pengjie Wang and Zhusong Mei and Zhengxuan Cao and Zhuo Pan and Yunhui Li and Shirui Xu and Guijun Qi and Shiyou Chen and Jiarui Zhao and Yanying Zhao and Changbo Fu and Wen Luo and Guoqiang Zhang and Xueqing Yan and Wenjun Ma},
journal= {arXiv preprint arXiv:2012.08856},
year = {2021}
}