在基于低电感电容器的电流发生器上的 X 形针中形成热密集等离子体的特点

IF 2.7 3区物理与天体物理 Q2 PHYSICS, APPLIED

Journal of Applied Physics Pub Date : 2024-09-13 DOI:10.1063/5.0220763

T. A. Shelkovenko, I. N. Tilikin, A. R. Mingaleev, V. M. Romanova, S. A. Pikuz

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引用次数: 0

摘要

本文介绍了在改进型大电流 KING 发生器上运行混合 X 针的实验研究结果。KING 发生器是一种基于四个低电感脉冲电容器的便携式脉冲电流发生器。对该发生器的输出组件进行了改装，以便对负载进行更多的诊断，从而增加了整个电路的电感量，并延长了电流上升的持续时间。在改装后的 KING 发生器（200-260 kA、220-280 ns、45 kV）上，使用直径为 25 μm 的铝线、铜线和钼线混合 X 针进行了一系列实验。实验表明，对发生器进行这样的改装，可以在 X 针中稳定地形成明亮的软 X 射线源，适用于空间分辨率约为 10-15 μm 的点投影射线照相术。

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Features of the formation of hot dense plasma in X-pinches on current generators based on low-inductive capacitors

The paper presents the results of experimental studies of the operation of hybrid X-pinches on a modified high-current KING generator. The KING generator is a portable pulse current generator based on four low-inductive pulse capacitors. The output assembly of the generator was modified for greater diagnostic access to the load, which led to an increase in the inductance of the entire circuit and an increase in the duration of the current rise. A series of experiments with hybrid X-pinches with Al, Cu, and Mo wires with a diameter of 25 μm was carried out on the modified KING generator (200–260 kA, 220–280 ns, 45 kV). In experiments, it was shown that such a modification of the generator led to the stable formation of bright soft x-ray sources in X-pinches, suitable for use in point-projection radiography with a spatial resolution of about 10–15 μm.

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来源期刊

Journal of Applied Physics 物理-物理：应用

CiteScore

5.40

自引率

9.40%

发文量

1534

审稿时长

2.3 months

期刊介绍： The Journal of Applied Physics (JAP) is an influential international journal publishing significant new experimental and theoretical results of applied physics research. Topics covered in JAP are diverse and reflect the most current applied physics research, including: Dielectrics, ferroelectrics, and multiferroics- Electrical discharges, plasmas, and plasma-surface interactions- Emerging, interdisciplinary, and other fields of applied physics- Magnetism, spintronics, and superconductivity- Organic-Inorganic systems, including organic electronics- Photonics, plasmonics, photovoltaics, lasers, optical materials, and phenomena- Physics of devices and sensors- Physics of materials, including electrical, thermal, mechanical and other properties- Physics of matter under extreme conditions- Physics of nanoscale and low-dimensional systems, including atomic and quantum phenomena- Physics of semiconductors- Soft matter, fluids, and biophysics- Thin films, interfaces, and surfaces