The spectroscopic systems for the study of light impurity particle transport in the HT-7 tokamak

被引：0
|
作者：
Zhou Qian [1 ]
Wu Zhenwei [1 ]
Huang Juan [1 ]
机构：
[1] Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China
来源：
PLASMA SCIENCE & TECHNOLOGY | 2007年 / 9卷 / 01期
关键词：
spectroscopic measurement; plasma impurity; impurity particle transport; tokamak;
D O I：
暂无
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
Three spectroscopic systems have been developed for the study of light impurity particle transport in the HT-7 tokamak. A visible multi-channel spectroscopic system ( VIS) is used to obtain the brightness distribution of the line emission from ionized light impurities. The profile of Z(eff) (r) has been obtained from the visible multi-channel bremsstrahlung measurement (VB). The system with a rotating hexahedral mirror for space-time resolved spectroscopy measurement from ultraviolet to visible (UV) can provide the brightness distribution of two different emission lines of the light impurities simultaneously. The emissivities by these multi-channel measurements can be obtained by Abel inversion. The measurement was performed in typical OH discharges in the HT-7 tokamak. The carbon particle transport was analyzed. The feasibility of these diagnostic systems for the impurity particle transport study is clearly demonstrated.
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页码：23 / 29
页数：7
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