| 负离子源引出系统束光学的数值模拟 |
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| 引用本文： | 王惠三,简广德. 负离子源引出系统束光学的数值模拟[J]. 核聚变与等离子体物理, 1987, 0(1) |
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| 作者姓名： | 王惠三 简广德 |
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| 作者单位： | 西南物理研究所，西南物理研究所 四川，乐山，四川，乐山 |
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| 摘 要： | 根据在表面-等离子体型负离子源中,负离子主要由转换电极表面产生这一特点,参考正离子源引出系统数值计算程序,建立了负离子源引出系统的数值计算模型和计算程序;对表面-等离子体型桶式负离子源引出系统束光学的性质进行了数值模拟。对计算结果的检验和分析表明,这个计算模型和程序反映了负离子源引出系统束光学的基本特性。
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| 关 键 词： | 负离子源 有限元法 |
NUMERICAL SIMULATION FOR BEAM OPTICS OF NEGATIVE ION SOURCE EXTRACTION SYSTEM |
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| WANG Huisan JIAN Guangde. NUMERICAL SIMULATION FOR BEAM OPTICS OF NEGATIVE ION SOURCE EXTRACTION SYSTEM[J]. Nuclear Fusion and Plasma Physics, 1987, 0(1) |
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| Authors: | WANG Huisan JIAN Guangde |
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| Abstract: | In a surface-Plasma negative ion source, ions are produced from the converter surface. Following our numerical code for positive ion source, we have set up a model for the extraction system of a negative ion source. A code based on this model has been developed. It was used to predict the beam optical performance of an extraction system for a surface-plasma bucket negative ion source. Examination of numerical results shows that this model is suitable for describing such systems. |
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| Keywords: | Negative ion source Finite element method. |
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