X 射线夹的几何参数对软 X 射线源特性的影响

IF 2 3区物理与天体物理 Q3 PHYSICS, FLUIDS & PLASMAS

Physics of Plasmas Pub Date : 2024-08-09 DOI:10.1063/5.0214382

A. P. Artyomov, V. I. Oreshkin, A. G. Rousskikh, D. V. Rybka, A. V. Fedyunin, S. A. Chaikovsky, N. A. Ratakhin

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引用次数: 0

摘要

研究了 X 射线夹的几何参数（导线与 X 射线夹垂直轴的倾斜角度和电极间隙的长度）如何影响在 X 射线夹颈部区域形成的热点数量和 X 射线产量。实验是在 XPG-3 紧凑型电流脉冲发生器（180 kA、180 ns）上进行的。当电极间隙长度为 6-7 mm 时，导线与 X 射线夹钳负载垂直轴（z 轴）的倾斜角为 40°-45° 时，每个脉冲的 X 射线能量值最高。在这些情况下，频谱范围 hν = 1.5-5 keV 的 X 射线脉冲能量为 1.1 ± 0.4 J。X-夹线与 Z 轴的倾斜角等于 45°，超过这个临界值，形成热点的条件就会发生显著变化。据观察，无论导线倾角如何，在内爆的最后阶段，都很有可能在颈部区域形成两个热点。

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Effect of the geometrical parameters of an X-pinch on the characteristics of the soft x-ray source

It was studied how the geometrical parameters of an X-pinch (the angle of inclination of the wires to the X-pinch vertical axis and the length of the electrode gap) affected the number of hot spots, formed in the region of the X-pinch neck, and the x-ray yield. The experiment was performed on the XPG-3 compact current pulse generator (180 kA, 180 ns). The highest values of the x-ray energy per pulse were observed when the angle of inclination of the wires to the X-pinch load vertical axis (z-axis) was 40°–45° at an electrode gap length of 6–7 mm. In these cases, the energy of the x-ray pulse in the spectral range hν = 1.5–5 keV was 1.1 ± 0.4 J. The angle of inclination of the X-pinch wires to the z-axis equal to 45° was a threshold above which the conditions for the formation of a hot spot changed significantly. It was observed that, regardless of the wire inclination angle, two hot spots formed with a high degree of probability in the neck region at the final stage of implosion.

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来源期刊

Physics of Plasmas 物理-物理：流体与等离子体

CiteScore

4.10

自引率

22.70%

发文量

653

审稿时长

2.5 months

期刊介绍： Physics of Plasmas (PoP), published by AIP Publishing in cooperation with the APS Division of Plasma Physics, is committed to the publication of original research in all areas of experimental and theoretical plasma physics. PoP publishes comprehensive and in-depth review manuscripts covering important areas of study and Special Topics highlighting new and cutting-edge developments in plasma physics. Every year a special issue publishes the invited and review papers from the most recent meeting of the APS Division of Plasma Physics. PoP covers a broad range of important research in this dynamic field, including: -Basic plasma phenomena, waves, instabilities -Nonlinear phenomena, turbulence, transport -Magnetically confined plasmas, heating, confinement -Inertially confined plasmas, high-energy density plasma science, warm dense matter -Ionospheric, solar-system, and astrophysical plasmas -Lasers, particle beams, accelerators, radiation generation -Radiation emission, absorption, and transport -Low-temperature plasmas, plasma applications, plasma sources, sheaths -Dusty plasmas