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Study on the Propagation Characteristics of Terahertz Waves in Dusty Plasma with a Ceramic Substrate by the Scattering Matrix Method

机译:散射矩阵法用陶瓷基板散热血浆中太赫兹波的繁殖特性研究

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摘要

The propagation characteristics of terahertz (THz) waves incident vertically into inhomogeneous and collisional dusty plasma with a ceramic substrate are studied using the scattering matrix method (SMM). The effects of the incident wave frequency and plasma parameters, such as the maximal electron density, dust particle density, dust particle radius and collision frequency, on the reflectance and transmittance of THz waves in the dusty plasma are discussed. In addition, the differences of the propagation properties in the dusty plasma, with and without ceramic substrate, are analyzed. Meanwhile, the differences of the propagation properties in dusty plasma and common plasma, respectively, with ceramic substrate are also compared. Simulation results show that the substrate and dust particles have significant influence on the propagation characteristics of THz wave in plasma sheath. Finally, the transmission increases with the increase of electron density, dust density, dust particle radius and collision frequency.
机译:使用散射矩阵法(SMM)研究了垂直入射到与陶瓷基板的不均匀和碰撞粉尘等离子体中的太赫兹(THz)波的传播特性。讨论了入射波频率和等离子体参数的影响,例如最大的电子密度,灰尘粒子密度,粉尘粒径和碰撞频率,在尘埃等离子体中的THz波的反射率和透射率上。另外,分析了尘土飞溅物,具有和不具有陶瓷衬底的繁殖等离子体中的传播特性的差异。同时,还比较了尘埃血浆和常见等离子体中的传播特性的差异,其中比较了陶瓷基板。仿真结果表明,基材和粉尘颗粒对等离子体护套的THz波的传播特性具有显着影响。最后,随着电子密度,粉尘密度,灰尘粒径和碰撞频率的增加而增加。

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