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Effects of bi-isotropic coatings and bi-isotropic background media upon gain characteristics of an axially slotted cylinder

机译:双各向同性涂层和双各向同性本底介质对轴向开槽圆柱体增益特性的影响

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摘要

An analysis about the effects of various bi-isotropic (BI) coatings and BI background media upon the gain characteristics of an axially slotted cylinder using numerical simulations is presented. It is investigated that chirality and Tellegen parameters of a coating and a background medium play a significant role in modifying the gain properties. It is further studied that an axially slotted cylinder when coated with a strong BI material and embedded in a free space background significantly enhances the gain in the forward direction. On the other hand, a strong Tellegen coating guides most of the radiated field from an axial slot toward rear side of the cylinder.
机译:提出了使用数值模拟分析各种双各向同性(BI)涂层和BI背景介质对轴向开槽圆柱体的增益特性的影响的分析方法。研究表明,涂层和背景介质的手性和Tellegen参数在改变增益特性方面起着重要作用。进一步研究表明,当轴向开槽的圆柱体涂有结实的BI材料并嵌入自由空间背景中时,会大大提高向前方向的增益。另一方面,坚固的Tellegen涂层将大部分辐射场从轴向槽引导到圆柱体的后侧。

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