Transmission grating based extreme ultraviolet imaging spectrometer for time and space resolved impurity measurements

被引：11
作者：
Kumar, Deepak [1 ]
Stutman, Dan [1 ]
Tritz, Kevin [1 ]
Finkenthal, Michael [1 ]
Tarrio, Charles [2 ]
Grantham, Steven [2 ]
机构：
[1] Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA
[2] Natl Inst Stand & Technol, Phys Lab, Gaithersburg, MD 20899 USA
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2010年 / 81卷 / 10期
关键词：
D O I：
10.1063/1.3474661
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A free standing transmission grating based imaging spectrometer in the extreme ultraviolet range has been developed for the National Spherical Torus Experiment (NSTX). The spectrometer operates in a survey mode covering the approximate spectral range from 30 to 700 angstrom and has a resolving capability of delta lambda/lambda on the order of 3%. Initial results from space resolved impurity measurements from NSTX are described in this paper. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3474661]
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页数：4
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