Acta Physica Sinica, Volume. 68, Issue 23, 235202-1(2019)
Fig. 1. Schematic diagram of configuration for discharge chamber of 2 cm ECRIT ion source.2 cm ECRIT离子源放电室示意图
Fig. 2. Distribution of magnetic flux density inside of the discharge chambers: (a) Chamber 1; (b) chamber 2; (c) chamber 3; (d) chamber 4.放电室内磁场分布 (a) 1号放电室; (b) 2号放电室; (c) 3号放电室; (d) 4号放电室
Fig. 3. Distribution of microwave electric field intensity inside of discharge chamber 4: (a)
Fig. 4. Distribution of electron heating index in ECR layer of different discharge chambers: (a) Chamber 1; (b) chamber 2; (c) chamber 3; (d) chamber 4.不同放电室在ECR区的电子获能指标分布 (a) 1号; (b) 2号; (c) 3号; (d) 4号
Fig. 6. Ion beam current of four ion sources at fixed antenna position.固定天线位置下四种离子源引出的离子束流
Fig. 7. Ion beam current of ion source 4 at different antenna position: (a)
Fig. 8. Voltage for electron extraction
Fig. 9. Electron extraction results of neutralizer 2 with different
Fig. 10. Ion beam current at the neutralization state.中和时引出离子束流变化规律
Fig. 11. The coupling voltage of neutralizer at the neutraliza-tion state.中和时中和器耦合电压变化规律
Grid geometry.
栅极结构
Grid geometry.
栅极结构
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The magnetic circuit structure parameters of four discharge chambers.
四种放电室的磁路结构参数
The magnetic circuit structure parameters of four discharge chambers.
四种放电室的磁路结构参数
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Xu Xia, Juan Yang, Yi-Zhou Jin, Guan-Rong Hang, Yu-Liang Fu, Zhan Hu.
Received: Jul. 21, 2019
Accepted: --
Published Online: Sep. 17, 2020
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