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1. 清华大学工程物理系
2. 中国科学院近代物理研究所
Published:01 December 2010
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[1]冯哲,张小章,刘占稳,赵红卫.关于强流ECR质子源氢等离子体发射光谱的诊断研究[J].核技术,2010,33(12):933-936.
FENG Zhe~1 ZHANG Xiaozhang~1 LIU Zhanwen~2 ZHAO Hongwei~2 1. OES diagnostics of H2 plasma in an intense ECR proton source[J]. Nuclear techniques, 2010, 33(12): 933-936.
本文通过发射光谱诊断方法
用H
2
等离子体的辐射碰撞模型对连续溃入的微波功率和全永磁磁场约束下产生高密度的H
2
等离子体进行光谱诊断
计算出一定放电条件下(微波功率200-700 W
压强0-2 Pa)H
+
的密度为1010-1011 cm
-3
另外讨论了实验中观察到的Balmer系氢原子发射光谱强度随放电条件的变化规律。
In this study
we use the optical emission spectrum(OES) method to determine the electron density of H
2
plasma produced by contiguous ECR microwave heating and restricted by an axial magnetic field that produced by an all-permanent-magnet design(NdFeB rings).The H
+
density obtained is about 1010-1011 cm
-3
under 200-700 W of the microwave and 0-2 Pa of the gas pressure.The intensity of Balmer lines of hydrogen atoms in excitation state varies with microwave power and gas pressure.
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