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HAN Xiang (韩翔), LING Bili (凌必利), GAO Xiang (高翔), LIU Yong (刘永), TI Ang (提昂), LI Erzhong (李二众), XU Liqing (徐立清), WANG Yumin (王嵎民). Measurement of Magnetic Island Width by Multi-Channel ECE Radiometer on HT-7 Tokamak[J]. Plasma Science and Technology, 2013, 15(3): 217-220. DOI: 10.1088/1009-0630/15/3/05
Citation: HAN Xiang (韩翔), LING Bili (凌必利), GAO Xiang (高翔), LIU Yong (刘永), TI Ang (提昂), LI Erzhong (李二众), XU Liqing (徐立清), WANG Yumin (王嵎民). Measurement of Magnetic Island Width by Multi-Channel ECE Radiometer on HT-7 Tokamak[J]. Plasma Science and Technology, 2013, 15(3): 217-220. DOI: 10.1088/1009-0630/15/3/05
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Measurement of Magnetic Island Width by Multi-Channel ECE Radiometer on HT-7 Tokamak

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  • A 16-channel electron cyclotron emission (ECE) radiometer has been employed to observe the (m; n) = (2; 1) magnetic island structure on HT-7 tokamak, where m and n represent the poloidal and toroidal mode number respectively. The results indicate that the island width is about 7 cm when the magnetic island is saturated during the m=n = 2=1 mode. The location of resonance surface can be determined by plotting the contour of ECE relative fluctuation. This method could be applied to the HT-7 and EAST campaigns in the future for the research of neoclassical tearing modes (NTMs).
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