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

X-ray phase contrast imaging of additive manufactured structures using a laser wakefield accelerator
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使用激光尾场加速器对增材制造结构进行 X 射线相衬成像

DOI:
10.1088/1361-6587/ab0e4f
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发表时间:
2019
影响因子:
2.2
通讯作者:
A. Thomas
A. Thomas
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
M. Vargas;W. Schumaker;Z. He;K. Behm;V. Chvykov;B. Hou;K. Krushelnick;A. Maksimchuk;J. Nees;V. Yanovsky;Z. Zhao;A. Thomas

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非线性等离子体尾场中电子电子感应加速器振荡产生的 X 射线被认为可用于多种应用。在本研究中,研究了 X 射线注量和能量随电子束特性和激光功率的变化,并研究了 X 射线在增材制造(3D 打印)测试物体成像中的应用。缩放比例证实了 X 射线通量随激光功率的大幅增加,并且由于微米级源尺寸,成像显示出强烈的条纹对比度。
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.
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