Laser-induced breakdown spectroscopy to monitor ion cyclotron range of frequency wall cleaning Li/D co-deposition in EAST tokamak

doi:10.1016/j.fusengdes.2017.03.021

CORC > 合肥物质科学研究院 > 中国科学院合肥物质科学研究院 > 中科院等离子体物理研究所

	Laser-induced breakdown spectroscopy to monitor ion cyclotron range of frequency wall cleaning Li/D co-deposition in EAST tokamak
	Liu, P.1; Wu, D.1; Sun, L. Y.1; Zhao, D. Y.1; Hai, R.1; Li, C.1; Ding, H.1; Hu, Z. H.2; Wang, L.2; Hu, J. S.2
刊名	FUSION ENGINEERING AND DESIGN
	2017-05-01
卷号	118 页码:98-103
关键词	Ambient Gas Magnetic Field Libs East Icrf Wall Cleaning
DOI	10.1016/j.fusengdes.2017.03.021
文献子类	Article
英文摘要	In this paper, laser-induced breakdown spectroscopy (LIBS) under magnetic field condition has been studied in laboratory and EAST tokamak. The experimental results reveal that in helium ambient gas, the magnetic field significantly enhances the LIBS signal intensity (similar to 3 times). The effect of time delay and laser fluence on the intensity of LIBS has been investigated for optimizing the signal to background ratio (S/B). The developed LIBS approach has been applied to monitor the cleaning performance of the first wall in the fusion device of EAST using the ion cyclotron range of frequency (ICRF). The experimental results demonstrate that the cleaning performance for Li/D co-deposition layer is effective under helium ambient gas. The removing rate of Li on the surface of W tile is faster than that on Mo tile in He-ICRF cleaning and the D/(D + H) ratio on Mo tile is higher by similar to 1.2 times than that on W tile. This work would indicate the feasibility of using LIBS to monitor the wall cleaning processes in EAST tokamak. (C) 2017 Elsevier B.V. All rights reserved.
WOS关键词	TRANSVERSE MAGNETIC-FIELD ; INDUCED PLASMA SPECTROSCOPY ; OPTICAL-EMISSION ; PLUME ; PERFORMANCE
WOS研究方向	Nuclear Science & Technology
语种	英语
WOS记录号	WOS:000400226900013
资助机构	National Magnetic Confinement Fusion Science Program of China(2013GB109005) ; National Magnetic Confinement Fusion Science Program of China(2013GB109005) ; National Magnetic Confinement Fusion Science Program of China(2013GB109005) ; National Magnetic Confinement Fusion Science Program of China(2013GB109005) ; National Magnetic Confinement Fusion Science Program of China(2013GB109005) ; National Magnetic Confinement Fusion Science Program of China(2013GB109005) ; National Magnetic Confinement Fusion Science Program of China(2013GB109005) ; National Magnetic Confinement Fusion Science Program of China(2013GB109005) ; National Magnetic Confinement Fusion Science Program of China(2013GB109005) ; National Magnetic Confinement Fusion Science Program of China(2013GB109005) ; National Magnetic Confinement Fusion Science Program of China(2013GB109005) ; National Magnetic Confinement Fusion Science Program of China(2013GB109005) ; National Magnetic Confinement Fusion Science Program of China(2013GB109005) ; National Magnetic Confinement Fusion Science Program of China(2013GB109005) ; National Magnetic Confinement Fusion Science Program of China(2013GB109005) ; National Magnetic Confinement Fusion Science Program of China(2013GB109005) ; National Science Foundation of China(11175035 ; National Science Foundation of China(11175035 ; National Science Foundation of China(11175035 ; National Science Foundation of China(11175035 ; National Science Foundation of China(11175035 ; National Science Foundation of China(11175035 ; National Science Foundation of China(11175035 ; National Science Foundation of China(11175035 ; National Science Foundation of China(11175035 ; National Science Foundation of China(11175035 ; National Science Foundation of China(11175035 ; National Science Foundation of China(11175035 ; National Science Foundation of China(11175035 ; National Science Foundation of China(11175035 ; National Science Foundation of China(11175035 ; National Science Foundation of China(11175035 ; 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内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/33504]
专题	合肥物质科学研究院_中科院等离子体物理研究所
作者单位	1.Dalian Univ Technol, Chinese Minist Educ, Sch Phys & Opt Elect Technol, Key Lab Mat Modificat Laser Ion & Electron Beams, Dalian 116024, Peoples R China 2.Chinese Acad Sci, Inst Plasma Phys, POB 1126, Hefei 230031, Anhui, Peoples R China
推荐引用方式 GB/T 7714	Liu, P.,Wu, D.,Sun, L. Y.,et al. Laser-induced breakdown spectroscopy to monitor ion cyclotron range of frequency wall cleaning Li/D co-deposition in EAST tokamak[J]. FUSION ENGINEERING AND DESIGN,2017,118:98-103.
APA	Liu, P..,Wu, D..,Sun, L. Y..,Zhao, D. Y..,Hai, R..,...&E Team.(2017).Laser-induced breakdown spectroscopy to monitor ion cyclotron range of frequency wall cleaning Li/D co-deposition in EAST tokamak.FUSION ENGINEERING AND DESIGN,118,98-103.
MLA	Liu, P.,et al."Laser-induced breakdown spectroscopy to monitor ion cyclotron range of frequency wall cleaning Li/D co-deposition in EAST tokamak".FUSION ENGINEERING AND DESIGN 118(2017):98-103.