A visible spectral survey from the Alcator C-Mod tokamak

被引:3
作者
Graf, A. T. [1 ]
May, M. J. [1 ]
Beiersdorfer, P. [1 ]
机构
[1] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA
关键词
SCRAPE-OFF-LAYER; PROFILE MEASUREMENTS; DIVERTOR; RECOMBINATION; EMISSION; EDGE; TURBULENCE; PLASMA; BEAM; TFTR;
D O I
10.1139/P11-005
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
A visible spectral survey (3675-6744 angstrom) from the Alcator C-Mod tokamak has been performed using a high-resolution visible spectrometer constructed at the Lawrence Livermore National Laboratory. The Alcator C-Mod deuterium plasma is shown to have visible emission from numerous atomic species and low charge state ions including, D I, B II-III, B V, C II-III, N II-III, O II-IV, F II-III, Ne I, Na X, Al II-III, Si I-II, Cl II-III, Ar I-III, Ar X, Ti I and III, Fe I-III, Cu I, and III, Mo I, and W I. Nearly all of the emission is thought to come from the cooler edge of the plasma including the scrape-off layer, outside of the last closed magnetic flux surface. However, there is at least one example, included here, where intrinsic visible emission persists deeper into the plasma.
引用
收藏
页码:615 / 626
页数:12
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