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首页> 外文期刊>Plasma and Fusion Research >Survey of EUV Impurity Line Spectra and EUV Bremsstrahlung Continuum in LHD
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Survey of EUV Impurity Line Spectra and EUV Bremsstrahlung Continuum in LHD

机译：LHD中EUV杂质线谱和EUV ms致发光连续谱的调查

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Radial profiles of impurity spectral line emissions in extreme ultraviolet (EUV) range (60-400 ?) are surveyed for impurity seeded discharges in Large Helical Device (LHD). The line emissions from light impurities such as helium, carbon and neon are located in the edge ergodic layer (1.0 ≤ ρ ≤ 1.2) except for CV and CVI, which are located in region of 0.8 ≤ ρ ≤ 1. In contract, the line emissions from heavy impurities such as iron are widely located over the whole plasma region as a function of ionization energy. On the other hand, the radial profile of bremsstrahlung continuum radiation is also clearly recorded in the EUV spectrum observed from high-density discharges with hydrogen pellet injection. Wavelength intervals available for the absolute sensitivity calibration of the present space-resolved EUV spectrometer system are listed with dominant line emissions which are useful as a wavelength marker.
机译：在大型螺旋装置（LHD）中，调查了在极紫外（EUV）范围（60-400？）范围内的杂质光谱线发射的径向分布图，以了解杂质注入的放电。氦，碳和氖等轻杂质产生的线发射位于边缘遍历层（1.0≤ρ≤1.2）中，CV和CVI除外，它们位于0.8≤ρ≤1的区域中。作为电离能的函数，来自重杂质（例如铁）的排放物广泛分布在整个等离子体区域。另一方面，从氢粒子注入高密度放电观察到的EUV光谱中，还可以清楚地记录到ms致连续辐射的径向分布。列出了可用于当前空间分辨式EUV光谱仪系统的绝对灵敏度校准的波长间隔，其中有主导线发射，可用作波长标记。

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