Vacuum ultraviolet spectroscopy in detached plasmas with impurity gas seeding in LHD

被引：3

作者：

Suzuki, C. ^{[1
]}

Murakami, I. ^{[1
]}

Akiyama, T. ^{[1
]}

Masuzaki, S. ^{[1
]}

Funaba, H. ^{[1
]}

Yoshinuma, M. ^{[1
]}

机构：

[1] Natl Inst Fus Sci, Toki, Gifu 5095292, Japan

来源：

JOURNAL OF NUCLEAR MATERIALS | 2015年 / 463卷

关键词：

RADIATION; JT-60U;

D O I：

10.1016/j.jnucmat.2014.12.085

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have carried out vacuum ultraviolet (VUV) spectroscopy of impurity ions in detached plasmas with impurity gas seeding in the Large Helical Device (LHD). In neon (Ne) gas seeding experiments, temporal evolutions of VUV spectral lines from Ne IV-VIII were recorded by a grazing incidence spectrometer. In addition, spatial profiles of fully ionized Ne density were measured by charge exchange spectroscopy. An electron temperature range where each ion emits is inferred based on the comparisons of the measured line intensity ratios with the calculations using collisional-radiative models. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：561 / 564

页数：4