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  4. 中科院等离子体物理研究所
Repetitive cleaning of a stainless steel first mirror using radio frequency plasma

文献类型：期刊论文

作者Peng, Jiao1,2; Yan, Rong1; Ding, Rui1; Chen, Junling1; Zhu, Dahuan1; Zhang, Zengming3
刊名PLASMA SCIENCE & TECHNOLOGY
出版日期2017-10-01
卷号19期号:10
关键词First Mirror Stainless Steel Lifetime Repetitive Cleaning Reflectivity
DOI10.1088/2058-6272/aa7629
文献子类Article
英文摘要First mirrors (FMs) are crucial components of optical diagnostic systems in present-day tokamaks and future fusion reactors. Their lifetimes should be extremely limited due to their proximity to burning plasma, greatly influencing the safe operation of corresponding diagnostics. Repetitive cleaning is expected to provide a solution to the frequent replacement of contaminated FMs, thus prolonging their lifetimes. Three repetitive cleaning cycles using radio frequency plasma were applied to stainless steel (SS) FM samples, to evaluate the change of the mirrors' optical properties and morphology during each cycle. Amorphous carbon films were deposited on mirror surfaces under identical conditions in three cycles. In three cycles with identical cleaning parameters, the total reflectivity was restored at up to 95%. Nevertheless, with successive cleaning cycles, the FM surfaces gradually appeared to roughen due to damage to the grain boundaries. Correspondingly, the diffuse reflectivity increased from a few percent to 20% and 27% after the second and third cycles. After optimizing the cleaning parameters of the second and third cycles, the roughness showed a significant decrease, and simultaneously the increase of diffuse reflectivity was remarkably improved.
WOS关键词HT-7 TOKAMAK ; EROSION
WOS研究方向Physics
语种英语
WOS记录号WOS:000412118900012
资助机构National Magnetic Confinement Fusion Science Program of China(2013GB105003 ; National Magnetic Confinement Fusion Science Program of China(2013GB105003 ; National Magnetic Confinement Fusion Science Program of China(2013GB105003 ; National Magnetic Confinement Fusion Science Program of China(2013GB105003 ; National Magnetic Confinement Fusion Science Program of China(2013GB105003 ; National Magnetic Confinement Fusion Science Program of China(2013GB105003 ; National Magnetic Confinement Fusion Science Program of China(2013GB105003 ; National Magnetic Confinement Fusion Science Program of China(2013GB105003 ; National Magnetic Confinement Fusion Science Program of China(2013GB105003 ; National Magnetic Confinement Fusion Science Program of China(2013GB105003 ; National Magnetic Confinement Fusion Science Program of China(2013GB105003 ; National Magnetic Confinement Fusion Science Program of China(2013GB105003 ; National Magnetic Confinement Fusion Science Program of China(2013GB105003 ; National Magnetic Confinement Fusion Science Program of China(2013GB105003 ; National Magnetic Confinement Fusion Science Program of China(2013GB105003 ; National Magnetic Confinement Fusion Science Program of China(2013GB105003 ; National Natural Science Foundation of China(11475218 ; National Natural Science Foundation of China(11475218 ; National Natural Science Foundation of China(11475218 ; National Natural Science Foundation of China(11475218 ; National Natural Science Foundation of China(11475218 ; National Natural Science Foundation of China(11475218 ; National Natural Science Foundation of China(11475218 ; National Natural Science Foundation of China(11475218 ; National Natural Science Foundation of China(11475218 ; National Natural Science Foundation of China(11475218 ; National Natural Science Foundation of China(11475218 ; National Natural Science Foundation of China(11475218 ; National Natural Science Foundation of China(11475218 ; National Natural Science Foundation of China(11475218 ; 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源URL[http://ir.hfcas.ac.cn:8080/handle/334002/33738]  
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.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China
2.Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China
3.Univ Sci & Technol China, Ctr Phys Expt, Hefei 230026, Anhui, Peoples R China
推荐引用方式
GB/T 7714		 Peng, Jiao,Yan, Rong,Ding, Rui,et al. Repetitive cleaning of a stainless steel first mirror using radio frequency plasma[J]. PLASMA SCIENCE & TECHNOLOGY,2017,19(10).
APA Peng, Jiao,Yan, Rong,Ding, Rui,Chen, Junling,Zhu, Dahuan,&Zhang, Zengming.(2017).Repetitive cleaning of a stainless steel first mirror using radio frequency plasma.PLASMA SCIENCE & TECHNOLOGY,19(10).
MLA Peng, Jiao,et al."Repetitive cleaning of a stainless steel first mirror using radio frequency plasma".PLASMA SCIENCE & TECHNOLOGY 19.10(2017).

入库方式： OAI收割

来源：合肥物质科学研究院

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