摘要
等离子体填充能够明显提高真空电子器件的效率和功率,研究等离子体填充器件具有重要的科学价值。本文用粒子模拟的方法对填充等离体子的绕射辐射振荡器进行了模拟研究,重点研究了等离体子密度对器件输出功率的影响。通过理论与模拟相结合,发现填充合适密度的等离子体能够大幅提高器件输出功率,在背景等离子体密度变化过程中,存在一峰值功率点,此时的等离子体密度为1.2×104 m^(-3),峰值功率为5×107 W,器件工作的主频是66.6GHz。
Plasma-fillingtechnology can significantly improve the efficiency and power of vacuum electronic devices,so plasma-filled devices have important scientific values.In this research,particlesimulation method is used for the plasma-filled diffractive radiation oscillators.The influence of plasma density on the output power of the device is studied.Through the combination of theory analysis and simulation,it is found that a proper filling density of plasma can significantly increase the output power of the device.The device shows a peak power point during background plasma density changing,where the peak output power is 5×10~7 W,the plasma density is 1.2×10~4/m^3,and the main working frequency is 66.6 GHz.
作者
吕文丽
王浩英
LV Wen-li;WANG Hao-ying(College of Information Science and Engineering,Ocean University of China,Qingdao 266100,China)
出处
《真空电子技术》
2019年第1期46-49,共4页
Vacuum Electronics
基金
国家自然科学基金项目(911421640
11375081)
山东省自然科学基金项目(ZR2013AQ025)
关键词
等离子密度
输出功率
粒子模拟
Plasmadensity
Output power
Particle simulation
