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首页> 外文期刊>Physica Scripta: An International Journal for Experimental and Theoretical Physics >EUV spectroscopy of highly charged high Z ions in the Large Helical Device plasmas
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EUV spectroscopy of highly charged high Z ions in the Large Helical Device plasmas

机译：大型螺旋装置等离子体中高电荷高Z离子的EUV光谱

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摘要

We present recent results on the extreme ultraviolet (EUV) spectroscopy of highly charged high Z ions in plasmas produced in the Large Helical Device (LHD) at the National Institute for Fusion Science. Tungsten, bismuth and lanthanide elements have recently been studied in the LHD in terms of their importance in fusion research and EUV light source development. In relatively low temperature plasmas, quasicontinuum emissions from open 4d or 4f subshell ions are predominant in the EUV region, while the spectra tend to be dominated by discrete lines from open 4s or 4p subshell ions in higher temperature plasmas. Comparative analyses using theoretical calculations and charge-separated spectra observed in an electron beam ion trap have been performed to achieve better agreement with the spectra measured in the LHD. As a result, databases on Z dependence of EUV spectra in plasmas have been widely extended.
机译：我们介绍了在美国国家融合科学研究院的大型螺旋装置（LHD）中产生的等离子体中带高电荷的高Z离子的极紫外（EUV）光谱学的最新结果。在LHD中，钨，铋和镧系元素最近在融合研究和EUV光源开发中的重要性方面得到了研究。在相对较低温度的等离子体中，开放的4d或4f子壳离子的准连续谱辐射在EUV区域中占主导地位，而光谱倾向于由较高温度的等离子体中的4s或4p子壳离子的离散谱线主导。使用理论计算和在电子束离子阱中观察到的电荷分离光谱进行了比较分析，以与LHD中测得的光谱更好地吻合。结果，已广泛扩展了等离子体中EUV光谱对Z依赖性的数据库。

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