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Analysis of the Zeeman effect on D-alpha spectra on the EAST tokamak
Gao, Wei; Huang, Juan; Wu, Chengrui; Xu, Zong; Hou, Yumei; Jin, Zhao; Chen, Yingjie; Zhang, Pengfei; Zhang, Ling; Wu, Zhenwei; EAST Team
2017-04-01
Source PublicationCHINESE PHYSICS B
Volume26Issue:4
AbstractBased on the passive spectroscopy, the D a atomic emission spectra in the boundary region of the plasma have been measured by a high resolution optical spectroscopic multichannel analysis (OSMA) system in EAST tokamak. The Zeeman splitting of the D a spectral lines has been observed. A fitting procedure by using a nonlinear least squares method was applied to fit and analyze all polarization pi and +/-sigma components of the D a atomic spectra to acquire the information of the local plasma. The spectral line shape was investigated according to emission spectra from different regions (e.g., low-field side and high-field side) along the viewing chords. Each polarization component was fitted and classified into three energy categories (the cold, warm, and hot components) based on different atomic production processes, in consistent with the transition energy distribution by calculating the gradient of the D a spectral profile. The emission position, magnetic field intensity, and flow velocity of a deuterium atom were also discussed in the context.
SubtypeArticle
KeywordZeeman Effect Plasma Spectrum Deuterium
WOS HeadingsScience & Technology ; Physical Sciences
Funding OrganizationNational Natural Science Foundation of China(11275231 ; National Natural Science Foundation of China(11275231 ; National Magnetic Confinement Fusion Energy Research Program of China(2015GB110005) ; National Magnetic Confinement Fusion Energy Research Program of China(2015GB110005) ; 11575249) ; 11575249) ; National Natural Science Foundation of China(11275231 ; National Natural Science Foundation of China(11275231 ; National Magnetic Confinement Fusion Energy Research Program of China(2015GB110005) ; National Magnetic Confinement Fusion Energy Research Program of China(2015GB110005) ; 11575249) ; 11575249)
DOI10.1088/1674-1056/26/4/045203
WOS KeywordTRIAM-1M TOKAMAK ; PLASMAS ; TEMPERATURE ; SPECTROSCOPY ; DISCHARGES ; PROFILES ; PATTERNS ; FLOW
Indexed BySCI
Language英语
Funding OrganizationNational Natural Science Foundation of China(11275231 ; National Natural Science Foundation of China(11275231 ; National Magnetic Confinement Fusion Energy Research Program of China(2015GB110005) ; National Magnetic Confinement Fusion Energy Research Program of China(2015GB110005) ; 11575249) ; 11575249) ; National Natural Science Foundation of China(11275231 ; National Natural Science Foundation of China(11275231 ; National Magnetic Confinement Fusion Energy Research Program of China(2015GB110005) ; National Magnetic Confinement Fusion Energy Research Program of China(2015GB110005) ; 11575249) ; 11575249)
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
WOS IDWOS:000400906700003
Citation statistics
Document Type期刊论文
Identifierhttp://ir.hfcas.ac.cn:8080/handle/334002/33483
Collection中科院等离子体物理研究所
AffiliationChinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China
Recommended Citation
GB/T 7714
Gao, Wei,Huang, Juan,Wu, Chengrui,et al. Analysis of the Zeeman effect on D-alpha spectra on the EAST tokamak[J]. CHINESE PHYSICS B,2017,26(4).
APA Gao, Wei.,Huang, Juan.,Wu, Chengrui.,Xu, Zong.,Hou, Yumei.,...&EAST Team.(2017).Analysis of the Zeeman effect on D-alpha spectra on the EAST tokamak.CHINESE PHYSICS B,26(4).
MLA Gao, Wei,et al."Analysis of the Zeeman effect on D-alpha spectra on the EAST tokamak".CHINESE PHYSICS B 26.4(2017).
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