Reconstruction of plasma density profiles by measuring spectra of radiation emitted from oscillating plasma dipoles

S Kylychbekov; H S Song; K B Kwon; O Ra; E S Yoon; M Chung; K Yu; S R Yoffe; B Ersfeld; D A Jaroszynski; M S Hur

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Reconstruction of plasma density profiles by measuring spectra of radiation emitted from oscillating plasma dipoles

机译：通过测量从振荡等离子体偶极子发出的辐射光谱来重建等离子体密度分布

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摘要

We suggest a new method for characterising non-uniform density distributions of plasma by measuring the spectra of radiation emitted from a localised plasma dipole oscillator excited by colliding electromagnetic pulses.The density distribution can be determined by scanning the collision point in space.Two-dimensional particle-in-cell simulations demonstrate the reconstruction of linear and nonlinear density profiles corresponding to laser-produced plasma.The method can be applied to a wide range of plasma,including fusion and low temperature plasmas.It overcomes many of the disadvantages of existing methods that only yield average densities along the path of probe pulses,such as interferometry and spectroscopy.

机译：我们提出了一种新的方法，通过测量由碰撞电磁脉冲激发的局部化等离子体偶极子振荡器发出的辐射光谱来表征等离子体的非均匀密度分布。密度分布可以通过扫描空间中的碰撞点来确定。二维细胞内粒子模拟显示了与激光产生的等离子体相对应的线性和非线性密度分布的重建。该方法适用于各种等离子体，包括聚变等离子体和低温等离子体。它克服了现有方法的许多缺点，如干涉测量法和光谱学，这些方法只能沿探测脉冲路径产生平均密度。

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来源
《Plasma Sources Science & Technology》 |2020年第2期|共10页
作者
S Kylychbekov; H S Song; K B Kwon; O Ra; E S Yoon; M Chung; K Yu; S R Yoffe; B Ersfeld; D A Jaroszynski; M S Hur;
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作者单位

UNIST Unist-gil 50 Ulsan 44919 Republic of Korea;

UNIST Unist-gil 50 Ulsan 44919 Republic of Korea;

UNIST Unist-gil 50 Ulsan 44919 Republic of Korea;

UNIST Unist-gil 50 Ulsan 44919 Republic of Korea;

UNIST Unist-gil 50 Ulsan 44919 Republic of Korea;

UNIST Unist-gil 50 Ulsan 44919 Republic of Korea;

Computational Science Initiative Brookhaven National Laboratory Upton New York 11973 United States of America;

Department of Physics SUPA and University of Strathclyde Glasgow G40NG United Kingdom;

Department of Physics SUPA and University of Strathclyde Glasgow G40NG United Kingdom;

Department of Physics SUPA and University of Strathclyde Glasgow G40NG United Kingdom;

UNIST Unist-gil 50 Ulsan 44919 Republic of Korea;

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原文格式 PDF
正文语种 eng
中图分类等离子体物理学;
关键词
plasma diagnostics; plasma dipole oscillation; point-detect of plasma density; density scanning; radiation emission from plasma; plasma dipole radiation;

机译：等离子体诊断;等离子体偶极振荡;血浆密度的点检测;密度扫描;等离子体的辐射发射;血浆偶极辐射;

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专利

1. Radiation of a Magnetic Dipole in an Infinite Anisotropic Plasma Medium [J] . 李凯中国物理快报：英文版 . 1998,第012期
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机译：使用径向相关反射法重建微湍流波数谱的数值模型：I.线性等离子体密度分布下的O型反射法
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机译：在非分散介质和冷等离子体中运动的振荡偶极子的辐射的能量特性
6. Radiation from an oscillating magnetic dipole in a streaming plasma [J] . John E. Bergeson Radio Science . 1968,第2期

机译：来自流动等离子体中的振荡磁偶极子的辐射
7. Radiation transport and spatial profiles of excited atom densities in a low-pressure xenon column plasma for lighting purpose [C] . D. Uhrlandt, S. Gortchakov, H. Langc, International Symposium on the Science and Technology of Light Sources . 2004

机译：低压氙柱等离子体中兴奋原子密度的辐射运输及空间谱，用于照明目的
8. Radiation Generation from Ultra Intense Laser Plasma Interactions with Solid Density Plasmas for Active Interrogation of Nuclear Materials. [D] . Zulick, Calvin Andrew. 2014

机译：超强激光等离子体与固体密度等离子体相互作用产生的辐射，用于主动询问核材料。
9. Electron densities inferred from plasma wave spectra obtained by the Waves instrument on Van Allen Probes [O] . W S Kurth, S De Pascuale, J B Faden, -1

机译：由Van Allen Probes的Waves仪器从等离子波谱推断出的电子密度
10. Control-oriented modeling of the plasma particle density in tokamaks and application to real-time density profile reconstruction [O] . T.C. Blanken, F. Felici, C.J. Rapson, 2018

机译：托卡马克斯血浆粒子密度的控制导向模型及实时密度型材重建的应用
11. Radiation from oscillating magnetic dipole in a streaming plasma [R] . Bergeson, J. E. 1967

机译：来自流式等离子体中的振荡磁偶极子的辐射

Reconstruction of plasma density profiles by measuring spectra of radiation emitted from oscillating plasma dipoles

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