| 同心圆环型场发射阵列阴极的粒子模拟 |
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| 引用本文： | 曾葆青, 杨中海. 同心圆环型场发射阵列阴极的粒子模拟[J]. 强激光与粒子束, 1998, 10(04). |
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| 作者姓名： | 曾葆青 杨中海 |
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| 作者单位： | 1.电子科技大学,高能电子学研究所, 成都61 0054 |
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| 摘 要： | 模拟了同心圆环型场发射阵列阴极的特性。采用时域有限差分法计算了电场，利用Fowler-Nordheim方程计算锥尖处的发射电流，利用Lorentz方程计算了电子的运动轨迹。得到了微阴极电子的运动轨迹、相空间图以及电子束的发散度、亮度等，结果表明该结构能形成良好的聚焦电子束。
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| 关 键 词： | 粒子模拟 场致发射 阴极 真空微电子学 |
SIMULATION OF IN-PLANE LENS FIELD EMISSION CATHODES |
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| zeng baoqing and yang zhonghai, . SIMULATION OF IN-PLANE LENS FIELD EMISSION CATHODES[J]. High Power Laser and Particle Beams, 1998, 10. |
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| Authors: | zeng baoqing and yang zhonghai |
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| Affiliation: | 1. Institute of High Energy Electronics,University of Electronic Science and Technology of China,Chengdu,610054 |
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| Abstract: | The performance of an in plane lens field emission cathode, based upon a unit cell with a conical field emitter tip, gate, in-plane lens, and anode, are evaluated via MAGIC particle-in-cell simulation code. Electron emission is calculated from the Fowler-Nordheim equation. The trajectories and phase space were evaluated, the normalized beam emittance εn= 1.09×10-9m·rad and brightness Bn= 3.79×10-9A/(m·rad)２ for a typical in-plane lens Field Emission Cathodes． |
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| Keywords: | spic simulation field emission cathode vacuum microelectronics |
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