电离注入机制下激光等离子体加速器产生的稳定偏振Betatron X射线辐射
等离子体物理
2015-09-30 v1
摘要
来自激光等离子体相互作用的Betatron X射线源兼具高亮度、数飞秒级持续时间和宽能谱等特性。然而,尽管拥有这些独特特性,Betatron源存在一个严重缺陷,阻碍了其在实际应用中的使用:其特性在逐发实验中显著变化,且迄今为止的所有改进均未能解决此问题。在本快报中,我们提出了一种简单方法,能够产生稳定且明亮的Betatron X射线束。此外,我们证明该方案可提供偏振且易于调谐的辐射。实验结果表明,指向稳定性优于束散角的10%,通量波动约为20%,偏振度可达80%。
引用
@article{arxiv.1509.08629,
title = {Stable and polarized Betatron x-ray radiation from a laser plasma accelerator in ionization injection regime},
author = {Andreas Doepp and Benoit Mahieu and Antoine Doche and Cedric Thaury and Emilien Guillaume and Agustin Lifschitz and Gabriele Grittani and Olle Lund and Martin Hansson and Julien Gautier and Michaela Kozlova and Jean Philippe Goddet and Pascal Rousseau and Amar Tafzi and Victor Malka and Antoine Rousse and Sebastien Corde and Kim Ta Phuoc},
journal= {arXiv preprint arXiv:1509.08629},
year = {2015}
}