用于高重复频率 XFEL 实验的浆料靶的研制
高能物理 - 实验
2022-08-24 v1 地球物理
摘要
将 X 射线自由电子激光（XFEL）与高功率激光驱动器相结合，可沿不同热力学压缩路径研究相变、状态方程、晶粒生长、强度及转变路径随压力（可达数百 GPa）的变化。未来的高重复频率激光运行将能够以 >1 Hz 的频率积累数据，这带来了若干实验挑战，包括需要快速补充靶。在此，我们展示了一项针对体积分数环氧(50)-晶粒(50)（浆料）靶的联合冲击压缩与 X 射线衍射研究，此类靶可制成挤出带状以用于高重复频率运行。对于冲击加载的 NaCl-浆料样品，我们观察到嵌入的 NaCl 晶粒内的压力、密度和温度状态与冲击压缩单晶 NaCl 的观测结果一致。
引用
@article{arxiv.2201.04254,
title = {Development of slurry targets for high repetition-rate XFEL experiments},
author = {Raymond F. Smith and Vinay Rastogi and Amy E. Lazicki and Martin G. Gorman and Richard Briggs and Amy L. Coleman and Carol Davis and Saransh Singh and David McGonegle and Samantha M. Clarke and Travis Volz and Trevor Hutchinson and Christopher McGuire and Dayne E. Fratanduono and Damian C. Swift and Eric Folsom and Cynthia A. Bolme and Arianna E. Gleason and Federica Coppari and Hae Ja Lee and Bob Nagler and Eric Cunningham and Eduardo Granados and Phil Heimann and Richard G. Kraus and Robert E. Rudd and Thomas S. Duffy and Jon H. Eggert and June K. Wicks},
journal= {arXiv preprint arXiv:2201.04254},
year = {2022}
}
备注
12 pages, 9 figures