| 外加磁场对微空心阴极放电的影响 |
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| 引用本文： | 王金梅,郑培超.外加磁场对微空心阴极放电的影响[J].量子电子学报,2016,33(3):306-310. |
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| 作者姓名： | 王金梅 郑培超 |
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| 作者单位： | 重庆邮电大学光电工程学院光电信息感测与传输技术重庆市重点实验室， 重庆 400065 |
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| 基金项目： | Supported by National Natural Science Foundation of China(国家自然科学基金;Scientific and Technological Talents Training Project of Chongqing(重庆市科技人才培养计划;Science Research Funds of Chongqing Municipal Education Commission(重庆市教委科技项目 |
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| 摘 要： | 采用C语言编程实现三维系综蒙特卡罗模型，外加磁场对微空心阴极放电的影响。研究结果显示，当气体压强和外加电压保持不变时，在微空心阴极放电系统中加入外部磁场后，对阴极方向上的电子密度分布变化不大，轴向和侧向上的电子漂移范围减小，电子能量向低能方向移动，但是外加磁场对高气压微空心阴极放电的影响整体上不如对低气压放电的影响明显。该研究结果对微空心阴极放电等离子体的机理研究具有一定的指导意义。
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| 关 键 词： | 光谱学 微空心阴极放电 蒙特卡洛模拟 磁场 |
| 收稿时间： | 2015-02-06 |
| 修稿时间： | 2015-09-30 |
Influence of external magnetic field on micro-hollow cathode discharge |
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| Abstract: | Three-dimensional ensemble Monte Carlo model has been accomplished using C programming language to study the impact of different cathode aperture sizes to micro-hollow cathode discharges in argon under constant pressure and voltage. After adding an external magnetic field in a micro-hollow cathode discharge, the distribution of electron density has little change in the opposite-cathode direction and a more narrow drift range in the axial and the lateral direction, and electron energy becomes lower, but the applied magnetic field has a less obvious effect on high-pressure micro-hollow cathode discharges than on low-pressure discharges on the whole. The results of this work have some guides on the mechanism of the microhollow cathode discharge plasma. |
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| Keywords: | spectroscopy micro-hollow cathode discharge Monte Carlo simulation magnetic field |
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