An integrated charge exchange recombination spectroscopy/beam emission spectroscopy diagnostic for Alcator C-Mod tokamak

被引：11
|
作者：
Bespamyatnov, I. O. [1 ]
Rowan, W. L. [1 ]
Liao, K. T. [1 ]
Granetz, R. S. [2 ]
机构：
[1] Univ Texas Austin, Fus Res Ctr, Austin, TX 78712 USA
[2] MIT, Plasma Sci & Fus Ctr, Cambridge, MA 02139 USA
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2010年 / 81卷 / 10期
关键词：
D O I：
10.1063/1.3475707
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
novel integrated charge exchange recombination spectroscopy (CXRS)/beam emission spectroscopy (BES) system is proposed for C-Mod, in which both measurements are taken from a shared viewing geometry. The supplementary BES system serves to quantify local beam densities and supplants the common calculation of beam attenuation. The new system employs two optical viewing arrays, 20 poloidal and 22 toroidal channels. A dichroic filter splits the light between two spectrometers operating at different wavelengths for impurity ion and beam neutrals emission. In this arrangement, the impurity density is inferred from the electron density, measured BES and CXRS spectral radiances, and atomic emission rates. (C) 2010 American Institute of Physics. [doi:10.1063/1.3475707]
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页数：4
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