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超材料新颖的电磁特性使它在许多领域都具有潜在的应用价值,如极化旋转器、类二极管等光子器件.综述了超材料中电磁波的极化转换的研究进展,包括线极化波之间、线极化波和圆极化波之间、圆极化波之间的相互极化转换,以及超材料的线极化波和圆极化波的不对称传输,并阐明了利用类Fabry-Perot谐振腔增强线极化波和圆极化波的不对称传输效应的机制.

Owing to their novel electromagnetic properties, metamaterials have some potential applications in many fields, such as polarized rotators, diode-like devices and other photonics devices.The polarization conversion between linear-to-linear, li-near-to-circular, circular-to-circular polarization waves and the asymmetric transmission in metamaterials are summarized.The mec-hanism of enhancing the asymmetric transmission of linear and circular polarization waves by using Fabry-Perot-like resonance is also expounded.

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