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Polarization-multiplexed Huygens metasurface holography
Optics Letters ( IF 3.6 ) Pub Date : 2020-09-28 , DOI: 10.1364/ol.403060
Zhuochao Wang , Xumin Ding , Shengying Liu , Kuang Zhang , Qun Wu

Huygens metasurface, as a subcategory of metamaterials, shows great potential in the capacity and efficiency of electromagnetic wave manipulation within a subwavelength scale. Here, the transmission-type Huygens metasurface is demonstrated for complete and independent control of orthogonally polarized transmitted waves by constructing pairs of crossed electric and magnetic resonances in three-sheet meta-atoms as the building blocks for holographic imaging. Under incoherent horizontally and vertically polarized illuminations, two designated holographic images with negligible mutual interferences are accomplished with at least 62.95% measured imaging efficiency and 63.53 signal-to-noise ratio, respectively. This work addresses several major issues in traditional polarization-multiplexed holography with regard to transmission-coefficient manipulation capacity, image fidelity, and simple fabrication technique, empowering advanced research and applications in polarization-selective microwave devices and information processing.

中文翻译:

偏振复用惠更斯表面全息

惠更斯超表面作为超材料的子类别,在亚波长范围内显示出在电磁波操纵的能力和效率方面的巨大潜力。在此,通过在三层超原子中构建交叉的电场和磁共振对,作为全息成像的基础模块,展示了透射型惠更斯超表面对正交极化透射波的完整和独立控制。在不相干的水平和垂直偏振照明下,可以实现互不干扰的两个指定全息图像,分别具有至少62.95%的实测成像效率和63.53信噪比。
更新日期:2020-10-02
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