X-ray phase contrast imaging of additive manufactured structures using a laser wakefield accelerator

被引：8

作者：

Vargas, M. ^{[1
]}

Schumaker, W. ^{[1
]}

He, Z-H ^{[1
]}

Behm, K. ^{[1
]}

Chvykov, V ^{[1
]}

Hou, B. ^{[1
]}

Krushelnick, K. ^{[1
]}

Maksimchuk, A. ^{[1
]}

Nees, J. A. ^{[1
]}

Yanovsky, V ^{[1
]}

Zhao, Z. ^{[1
]}

Thomas, A. G. R. ^{[1
]}

机构：

[1] Univ Michigan, Ctr Ultrafast Opt Sci, Ann Arbor, MI 48109 USA

来源：

PLASMA PHYSICS AND CONTROLLED FUSION | 2019年 / 61卷 / 05期

基金：

美国国家科学基金会;

关键词：

laser; plasma; accelerators; x-rays; applications; imaging; BEAMS;

D O I：

10.1088/1361-6587/ab0e4f

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

X-rays generated by the betatron oscillations of electrons in a nonlinear plasma wakefield have been proposed to be useful for a range of applications. In this study, the scaling of the x-ray fluence and energy with electron beam properties and laser power are studied and the application of the x-rays for imaging additive manufactured (3D printed) test objects is investigated. The scalings confirm a strong increase in x-ray fluence with laser power and the imaging shows strong fringe contrast due to the micron scale source size.

引用

页数：9

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