论文标题
简化的等效电路方法，用于设计波形选择性元面的时间域响应
Simplified equivalent circuit approach for designing time-domain responses of waveform-selective metasurfaces
论文作者
论文摘要
在这项研究中，我们展示了简化的等效电路模型，以有效地近似最近报道的波形选择性元面板的响应，这些偏曲面也可以根据其波形或脉冲宽度来区分不同的电磁波。与代表“频率”域中普通跨国的行为的常规等效电路模型相比，提出的模型使我们能够解释波形选择性的元信息如何在“时间”域中做出响应。我们的方法很好地估计了波形选择性元面的时间常数，还可以估计它们的整个时间域响应。特别是，本研究报告了二极管电阻组件的重要性以及模型在功率依赖性方面的局限性，尽管当波形选择机制清楚地表现出具有足够大的输入功率时，模型仍然有效地起作用。因此，所提出的等效电路模型的思想不仅有助于对波形选择机制有更深入的了解，而且有助于促进这种独特结构的设计过程。
In this study, we demonstrate simplified equivalent circuit models to effectively approximate responses of recently reported waveform-selective metasurfaces that distinguish different electromagnetic waves even at the same frequency depending on their waveforms or pulse widths. Compared to conventional equivalent circuit models that represent behaviors of ordinary metasurfaces in the "frequency" domain, the proposed models enable us to explain how waveform-selective metasurfaces respond in the "time" domain. Our approach well estimates not only time constants of waveform-selective metasurfaces but also their entire time-domain responses. Particularly, this study reports the importance of resistive components of diodes as well as the limitation of our models with respect to the power dependence although still the models effectively work when waveform-selective mechanisms are clearly exhibited with a sufficiently large input power. Thus, the idea of the proposed equivalent circuit models contributes not only to a greater understanding of waveform-selective mechanisms but also to facilitating the design process of such unique structures.
