电磁介质色散和损耗特性的运动诱导变换

2021 XXXIVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS) Pub Date : 2021-08-28 DOI:10.23919/URSIGASS51995.2021.9560467

Zoé-Lise Deck-Léger, C. Caloz

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引用次数: 0

摘要

我们研究了当介质进入运动状态时，介质的色散和损耗特性是如何改变的。色散运动介质在一定频率范围内会引起单向传播。在折射率实部穿过零的速度处，有损移动介质在反向传播中显示为最大损耗。这项工作将有助于开发新兴的时空超材料。

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Motion Induced Transformation of the Dispersion and Loss Properties of an Electromagnetic Medium

We investigate how the dispersion and loss properties of a medium are altered when the medium is set into motion. Dispersive moving media is shown to give rise to unidirectional propagation in certain frequency ranges. Lossy moving media is shown to be maximally lossy for contra-directional propagation, at the velocity where the real part of the refractive index crosses zero. This work will serve to develop emerging spacetime metamaterials.

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2021 XXXIVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS)

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