Doppler and Stark broadenings of spectral lines of highly excited helium atoms for measurement of detached recombining plasmas in MAP-II divertor simulator
Doppler and Stark broadenings of spectral lines of highly excited helium atoms for measurement of detached recombining plasmas in MAP-II divertor simulator
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高激发氦原子谱线的多普勒和斯塔克展宽，用于测量 MAP-II 偏滤器模拟器中的分离重组等离子体
DOI：
10.1016/j.jnucmat.2011.01.048
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发表时间：
2011
影响因子：
3.1
通讯作者：
A. Muraki
中科院分区：
文献类型：
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作者：
S. Kado;Suzuki Kazuhiro;Y. Iida;A. Muraki
在东京大学的MAP（材料和等离子体）-II线性导流器模拟器上，使用带图像放大光学的高分辨率可见-近紫外光谱仪测量了不同激发态下原子氦谱线的形状。在体积重组为主的条件下，用直流电弧放电产生了一个稳定的纯氦等离子体，其中电离和重组成分都可以观察到高激发态。氦原子的高激发态（主量子数n大于或等于6）由重组成分主导，除了与基态光学耦合的1p态。因此，我们提出了一种方法，通过三种不同跃迁21S-31P （501.567nm）、21S-71P （335.455nm）和23P-73D （370.500nm）的谱线形状的多普勒和斯塔克增宽来确定复合等离子体中的中性温度、电子密度和离子温度。
The shapes of atomic helium spectral lines from various excited states were measured in the MAP (material and plasma)-II linear divertor simulator at the University of Tokyo, using a high-resolution visible–near-ultraviolet spectrometer with image magnification optics. A steady state pure helium plasma was produced by a direct current arc discharge in the volumetric recombination-dominated regime, where both the ionizing and the recombining components could be observed up to higher excited states. Highly excited states (principal quantum number n⩾6) of helium atoms are dominated by the recombining component, except the1P states that are optically coupled with the ground state. Therefore, we propose a method to determine the neutral temperature, electron density, and ion temperature in the recombining plasmas from the spectral line shapes with Doppler and Stark broadenings of three different transitions, 21S–31P (501.567nm), 21S–71P (335.455nm), and 23P–73D (370.500nm).
偏滤器模拟器 MAP-II 中重组等离子体的诊断
DOI：
--
发表时间：
2005
期刊：
Journal of Plasma Fusion Research 10・81
影响因子：
--
作者：
S.Kado;Y.Iida;S.Kajita;et al.
通讯作者：
et al.