太赫兹科学与电子信息学报, 2018, 16 (4): 658, 网络出版: 2018-09-12  

高功率激光装置同轴线缆电磁脉冲耦合仿真

Simulation on coaxial cable electromagnetic pulse coupling at high power laser facility
作者单位
中国工程物理研究院 激光聚变研究中心, 四川 绵阳 621999
摘要
高功率激光装置开展实验会产生强烈的电磁脉冲辐射。电缆端口是电磁干扰耦合的重要途径。针对高功率激光装置上广泛使用的同轴线缆开展电磁脉冲耦合问题仿真研究, 建立同轴线缆的电磁脉冲耦合仿真模型, 研究不同入射方向、不同长度同轴线缆电磁脉冲耦合的感应电压。仿真结果显示, 同轴线缆部署方向以及长度对电磁脉冲耦合具有显著的影响。本文对装置靶场线缆选型、线缆铺设以及诊断仪器电磁屏蔽设计有着参考价值。
Abstract
Intense electromagnetic pulse will be generated during experiments at high power laser facility. The cable ports are the important routes of electromagnetic coupling. Highlighting the simulation on the electromagnetic pulse coupling of coaxial cables, which are widely used at high power laser facility, a simulation model on coaxial cable electromagnetic pulse coupling is established. The electromagnetic pulse coupling effect is studied with various cable lengths and two characteristic radiation directions. Simulation results show that the direction and length of coaxial cables will influence the electromagnetic pulse coupling. This study presents a good guide for electromagnetic simulation at high power laser facility and is helpful for cable selections, cable pavements and electromagnetic compatibility for precise diagnostics.

于瑞珍, 易涛, 景峰, 王新彬, 江少恩. 高功率激光装置同轴线缆电磁脉冲耦合仿真[J]. 太赫兹科学与电子信息学报, 2018, 16(4): 658. YURuizhen, YI Tao, JING Feng, WANG Xinbin, JIANG Shaoen. Simulation on coaxial cable electromagnetic pulse coupling at high power laser facility[J]. Journal of terahertz science and electronic information technology, 2018, 16(4): 658.

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