The spatio-temporal evolution of laser-induced initial plasma in RF ICP source for CFETR NBI

Chao Chen,Yang Xia, Qiang Wang, Wenzhi Zhai,Yunqiu Cui,Chunjie Niu, Guangjiu Lei,Weiyuan Ni,Dongping Liu

Fusion Engineering and Design（2024）

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摘要

•Pulsed laser ablation with tungsten target is used for initial plasma generation.•The time-resolved of the plasma is explored by both experiment and simulation.•The evolution of the laser-induced RF plasma can be divided into three parts.•High gas pressure and power are favorable for the ignition of the RF ion source.

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关键词

RF ICP source,Fluid plasma model,Laser-induced ignition,Spatio-temporal evolution of the plasma

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