Upgrade of accelerator of high current ion source for EAST neutral beam injector
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- 作者：Yahong Xie ; xieyh@ipp.ac.cn" class="auth_mail" title="E-mail the corresponding author ; Chundong Hu ; Sheng Liu ; Jun Li ; Yongjian Xu ; Yuqian Chen ; Lizhen Liang ; Yuanlai Xie ; Caichao Jiang ; Peng Sheng ; Zhimin Liu
- 关键词：Ion source ; Accelerator ; Beam extraction ; Beam optimum perveance
- 刊名：Fusion Engineering and Design
- 出版年：2015
- 出版时间：November 2015
- 年：2015
- 卷：100
- 期：Complete
- 页码：265-268
- 全文大小：1457 K
文摘
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We use the slit type accelerator with high transparency of 60% and change the first grids from circular shape to diamond shape.
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A new ion source with diamond plasma grids is assembled and tested.
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We get the high optimum perveance with low divergence angle compared to the circular-shaped grid for the first time.