Three-dimensional numerical simulation on 15~20 mA H<sup>-</sup> cusp source

Chen Ying

doi:10.3788/HPLPB201426.014001

Volume 26 Issue 01

Jan. 2014

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Article Navigation > High Power Laser and Particle Beams > 2014 > 26(01): 014001

Liu Lijuan, Li Yuanyuan, Li Jian. Optimization design with Monte Carlo code for shield of residual stress neutron diffractometer[J]. High Power Laser and Particle Beams, 2013, 25: 1817-1820. doi: 10.3788/HPLPB20132507.1817

Citation:

Chen Ying. Three-dimensional numerical simulation on 15~20 mA H^- cusp source[J]. High Power Laser and Particle Beams, 2014, 26: 014001. doi: 10.3788/HPLPB201426.014001

Citation:

Chen Ying. Three-dimensional numerical simulation on 15~20 mA H^- cusp source[J]. High Power Laser and Particle Beams, 2014, 26: 014001. doi: 10.3788/HPLPB201426.014001

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Three-dimensional numerical simulation on 15~20 mA H^- cusp source

doi: 10.3788/HPLPB201426.014001

Chen Ying

1.
School of Physical Electronics,University of Electronic Science and Technology of China,Chengdu 610054,China

Received Date: 2013-03-18
Rev Recd Date: 2013-09-09
Publish Date: 2014-01-15

Abstract

Abstract

The self-developed 3D PIC/MCC algorithm is described, including the algorithm flow design, collision treatment mechanism and so on. The numerical simulation of the 15~20 mA H- cusp source developed by the China Institute of Atomic Energy is researched with this algorithm. The results show that H- cusp source can produce ion beams that uniformly distribute in objective space. Using the optimized virtual filtering field can effectively filter high-energy electrons and lead to the low-energy electron in the ion source downstream region to increase. The negative hydrogen ions volume generation efficiency is improved effectively.
- H- cusp source,
- virtual filtering field,
- particle-in-cell/Monte Carlo,
- collision treatment mechanism

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