等离子体密度排布对毫米波传输特性的影响
Influence of Plasma Density Arrangement on Millimeter-Wave Transmission Characteristics
AI总结：
本文利用COMSOL模拟ICP装置，研究不同等离子体密度排布对毫米波传输特性的影响，发现排布显著影响电磁波行为并赋予频率选择性。
摘要：
毫米波和太赫兹技术的进步已经彻底改变了高速无线网络和精确跟踪系统。这些技术在特定场景中提供了独特的穿透能力，显著增强了探测等离子体的能力。最近的突破包括利用太赫兹时域光谱精确诊断等离子体电子密度，以及通过散射矩阵对再入航天器等离子体鞘套进行建模。与此同时，大量的研究工作致力于理解等离子体对电磁波行为的影响，包括反射、透射、吸收以及相移。在本文中，我们使用COMSOL Multiphysics软件创建了一个电感耦合等离子体（ICP）装置，能够模拟各种等离子体密度排布。我们的研究聚焦于揭示等离子体构型与毫米波传输特性之间复杂的相互作用。研究结果强调了不同等离子体浓度排布对穿过其中的电磁波行为的显著影响。此外，这些排布赋予了等离子体一定程度的频率选择性，从而以新颖的方式扩展了我们对等离子体行为的理解。
英文摘要：
The advancement of millimeter wave and terahertz technologies have revolutionized high speed wireless networks and precise tracking systems. These technologies offer unique penetration capabilities in specific scenarios, significantly enhancing the capability to investigation plasma. Recent breakthroughs include the precise diagnosis of plasma electron density using terahertz time domain spectroscopy and the modeling of plasma sheaths in re-entry spacecraft through scattering matrices. Concurrently, extensive research efforts have been dedicated to comprehending plasma's influence on electromagnetic wave behaviors, encompassing reflection, transmission, absorption and also phase shift. In this paper, we employ COMSOL Multiphysics software to create an inductively coupled plasma (ICP) device, enabling the simulation of various plasma density arrangements. Our investigation focuses on unraveling the intricate interplay between plasma configurations and millimeter-wave transmission characteristics. The findings underscore the substantial impact of diverse plasma concentration arrangements on the behavior of electromagnetic waves traversing through them. Additionally, these arrangements endow the plasma with a discernible degree of frequency selectivity, thus expanding our understanding of plasma behavior in novel ways.
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