Emission Lines of Boron, Carbon, Oxygen and Iron in Tokamak Plasma

Emission Lines of Boron, Carbon, Oxygen and Iron in Tokamak Plasma
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托卡马克等离子体中硼、碳、氧和铁的发射线

DOI:
10.1088/0256-307x/28/7/075201
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发表时间:
2011-07
影响因子:
3.5
通讯作者:
Shi Yue-Jiang
Shi Yue-Jiang
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Zhang Jie;Shi Jian-Rong;Wang Shou-Jun;Dong Quan-Li;Zhao Jing;Li Yu-Tong;Fu Jia;Wang Fu-Di;Shi Yue-Jiang

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报告了托卡马克等离子体中 B、C、O 和 Fe 的发射线。将光谱与CHIANTI代码计算的光谱进行了比较,CHIANTI代码基于碰撞辐射模型,具有大量精确的原子数据。实验结果与计算结果基本一致。光谱中的大部分谱线均被识别,并确定了 B、C、O 和 Fe 的相对数密度比。发现我们实验中线的形成过程与星冕中的线形成过程相似。通过 HCN 激光器测量了托卡马克等离子体的线平均电子密度,这表明与 Fe XXI 密度相关线比的理论预测非常吻合。
The emission lines of B, C, O and Fe in tokamak plasma are reported. The spectra are compared with those calculated by the CHIANTI code, which is based on the collisional-radiative models with a large amount of accurate atomic data. General agreement is obtained between the results of experiment and computation. Most of the lines in the spectra are identified, and the relative number density ratios of B, C, O and Fe are determined. It is found that the processes of line formation in our experiment are similar to those in the stellar coronae. The line-averaged electron density of the tokamak plasma is measured by the HCN laser, indicating a good agreement with the theoretical prediction by the density-dependent line ratio of Fe XXI.
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