Development of space-resolved EUV spectrometers working at 5-138 Å for profile observation of high-Z impurity ions in EAST plasma | |
Cheng, Yunxin5; Zhang, Ling5; Morita, Shigeru3; Hu, Ailan5; Xu, Zong2; Zhang, Fengling4,5; Zhang, Wenmin4,5; Zhou, Zhen4,5; Zhao, Weikuan4,5; Li, Zhengwei1,5 | |
刊名 | NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT |
2023-12-01 | |
卷号 | 1057 |
关键词 | EAST tokamak Impurity diagnostics Extreme ultraviolet (EUV) spectrometer CMOS detector |
ISSN号 | 0168-9002 |
DOI | 10.1016/j.nima.2023.168714 |
通讯作者 | Zhang, Ling(zhangling@ipp.ac.cn) ; Hu, Ailan(ailanhu@ipp.ac.cn) |
英文摘要 | In order to observe the radial profile of impurity line emission in a short wavelength range and to study the transport of metallic impurity ions intrinsically existing in plasma, two pairs of space-resolved extreme ultra-violet (EUV) spectrometers working at 5-138 angstrom were newly established on EAST tokamak. A back-illuminated complementary metal oxide semiconductor (CMOS) detector with a small pixel size of 6.5 x 6.5 mu m2 and a varied-ling-spacing (VLS) concave holographic grating with a central density of 2400 grooves/mm allows the EUV spectrometers have good spectral resolution. A precise wavelength calibration is performed with cubic polynomial fitting using well-known emission lines from light impurity ions. The radial intensity profile of Cu XX at 12.570 angstrom and Cu XXI at 10.392 angstrom were observed successfully by space-resolved EUV spectrometers during H -mode discharge. The rapid change in the W XXXIII radial profile during the impurity burst period was clearly observed with sufficient intensity. The results show that the newly developed space-resolved EUV spectrometers have excellent performance in impurity diagnostics. |
资助项目 | National MCF Energy RD Program[2022YFE03180400] ; National MCF Energy RD Program[2019YFE030403] ; National MCF Energy RD Program[2018YFE0311100] ; Na-tional Natural Science Foundation of China[11905146] ; Na-tional Natural Science Foundation of China[11975273] ; Na-tional Natural Science Foundation of China[12322512] ; Chinese Academy of Sciences President's International Fellowship Initiative (PIFI)[2020VMA0001] |
WOS研究方向 | Instruments & Instrumentation ; Nuclear Science & Technology ; Physics |
语种 | 英语 |
出版者 | ELSEVIER |
WOS记录号 | WOS:001083095500001 |
资助机构 | National MCF Energy RD Program ; Na-tional Natural Science Foundation of China ; Chinese Academy of Sciences President's International Fellowship Initiative (PIFI) |
内容类型 | 期刊论文 |
源URL | [http://ir.hfcas.ac.cn:8080/handle/334002/133378] |
专题 | 中国科学院合肥物质科学研究院 |
通讯作者 | Zhang, Ling; Hu, Ailan |
作者单位 | 1.Anhui Univ, Hefei 230601, Peoples R China 2.West Anhui Univ, Sch Elect & Photoelect Engn, Luan 237000, Peoples R China 3.Natl Inst Fus Sci, Toki, Gifu 5095292, Japan 4.Univ Sci & Technol China, Sci Isl Branch, Grad Sch, Hefei 230031, Peoples R China 5.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China |
推荐引用方式 GB/T 7714 | Cheng, Yunxin,Zhang, Ling,Morita, Shigeru,et al. Development of space-resolved EUV spectrometers working at 5-138 Å for profile observation of high-Z impurity ions in EAST plasma[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,2023,1057. |
APA | Cheng, Yunxin.,Zhang, Ling.,Morita, Shigeru.,Hu, Ailan.,Xu, Zong.,...&Liu, Haiqing.(2023).Development of space-resolved EUV spectrometers working at 5-138 Å for profile observation of high-Z impurity ions in EAST plasma.NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,1057. |
MLA | Cheng, Yunxin,et al."Development of space-resolved EUV spectrometers working at 5-138 Å for profile observation of high-Z impurity ions in EAST plasma".NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 1057(2023). |
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