Assessment of plasma uniformity in the extraction region of an RF-driven negative ion source for CRAFT NNBI

Assessment of plasma uniformity in the extraction region of an RF-driven negative ion source for CRAFT NNBI

The uniformity of beam, for large RF negative ion source, is closely related to the plasma uniformity in the extraction region. The six electrostatic probes were installed above the plasma grid (PG) 5 mm to evaluate the plasma uniformity. The influence of RF power, source pressure, magnetic filter f...

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Bibliographic Details
Main Authors: Xufeng Peng, Yongjian Xu, Yufan Li, Jianglong Wei, Guangyong Mei, Bo Liu, YuWen Yang, Na Wang, Junwei Xie, Yahong Xie, Lizhen Liang, Bin Wu
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:Nuclear Fusion
Subjects:
negative ion source
electrostatic probe
extraction region
plasma uniformity
Online Access:https://doi.org/10.1088/1741-4326/adf11f
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