Multi-energy SXR cameras for magnetically confined fusion plasmas (invited)

被引:13
作者
Delgado-Aparicio, L. F. [1 ]
Maddox, J. [1 ]
Pablant, N. [1 ]
Hill, K. [1 ]
Bitter, M. [1 ]
Rice, J. E. [2 ]
Granetz, R. [2 ]
Hubbard, A. [2 ]
Irby, J. [2 ]
Greenwald, M. [2 ]
Marmar, E. [2 ]
Tritz, K. [3 ]
Stutman, D. [3 ]
Stratton, B. [1 ]
Efthimion, P. [1 ]
机构
[1] Princeton Plasma Phys Lab, Princeton, NJ 08540 USA
[2] MIT, Cambridge, MA 02141 USA
[3] Johns Hopkins Univ, Baltimore, MD 21218 USA
关键词
X-RAY PHA; PULSE-HEIGHT ANALYZER; ELECTRON-TEMPERATURE; HT-7; TOKAMAK;
D O I
10.1063/1.4964807
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
A compact multi-energy soft x-ray camera has been developed for time, energy and space-resolved measurements of the soft-x-ray emissivity in magnetically confined fusion plasmas. Multi-energy soft x-ray imaging provides a unique opportunity for measuring, simultaneously, a variety of important plasma properties (T-e, n(Z), Delta Z(eff), and n(e,fast)). The electron temperature can be obtained by modeling the slope of the continuum radiation from ratios of the available brightness and inverted radial emissivity profiles over multiple energy ranges. Impurity density measurements are also possible using the line-emission from medium-to high-Z impurities to separate the background as well as transient levels of metal contributions. This technique should be explored also as a burning plasma diagnostic in-view of its simplicity and robustness. Published by AIP Publishing.
引用
收藏
页数:6
相关论文
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