激光驱动等离子体加速器中电子微聚束的干涉光学特征
加速器物理
2020-07-08 v1
摘要
我们报道了由从激光等离子体加速器出射的微聚束~200 MeV电子产生的相干光学渡越辐射干涉（COTRI）图样的观测结果。通过与解析COTRI模型比较推断，微聚束电子部分的发散度比~3 mrad的整体束流发散度小约6倍，而从同一发次的COTR图像获得的微聚束束流半径小于3微米。综合结果表明，微聚束分布的估计横向归一化发射度约为0.5 mm mrad。
引用
@article{arxiv.1907.05078,
title = {Interferometric optical signature of electron microbunching in laser-driven plasma accelerators},
author = {A. H. Lumpkin and M. LaBerge and D. W. Rule and R. Zgadzaj and A. Hannasch and O. Zarini and B. Bowers and A. Irman and J. P. Couperus-Cabadag and A. Debus and A. Köhler and U. Schramm and M. C. Downer},
journal= {arXiv preprint arXiv:1907.05078},
year = {2020}
}
备注
10 pages, 4 figures, plus supplementary material