Development of a 32-channel Beam Emission Spectroscopy diagnostic based on Neutral Beam Injection on HL-2A tokamak

Y.F. Wu,G.R. McKee,Y. Yu, R. Ke,Z. Yan, K. Jaehnig,Min Xu, M. Kriete,L.A. Morton,X.J. Qin, L. Nie,T. Wu,A.P. Sun,T. Lan, B.D. Yuan,H. Liu, S.B. Gong, T. Long,X.R. Duan,M.Y. Ye

Fusion Engineering and Design（2020）

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摘要

•A new BES with large viewing area has been developed on HL-2A.•It has the best spatial resolution and SNR worldwide.•A novel fiber mount makes viewing area of each channel changeable.•Expanding of channel number is easy by means of inserting more fiber bundles.•It is helpful for turbulence researches.

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关键词

Beam Emission Spectroscopy,Density fluctuation diagnostic,Neutral beam injection

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