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Dielectric Huygens’ Metasurface for High-Efficiency Hologram Operating in Transmission Mode

机译:用于传输模式下工作的高效全息图的介质Huygens的元曲面

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Conventional metasurface holograms relying on metal antennas for phase manipulation suffer from strong Ohmic loss and incomplete polarization conversion. The efficiency is limited to rather small values when operating in transmission mode. Here, we implement a high-efficiency transmissive metasurface hologram by leveraging the recently developed Huygens' metasurface to construct an electric and magnetic sheet with a transmission efficiency up to 86% and optical efficiency of 23.6%. The high-efficiency originates from the simultaneous excitations of the Mie-type electric and magnetic dipole resonances in the meta-atoms composed of silicon nanodisks. Our hologram shows high fidelity over a wide spectral range and promises to be an outstanding alternative for display applications.
机译:依赖于用于相位操纵的金属天线的传统元表面全息图患有强烈的欧姆损耗和不完全的极化转换。在传输模式下运行时,效率限于相当小的值。在这里,我们通过利用最近开发的Huygens的Metasurface来实现高效的透射元表面全息图,以构造电动和磁性板,其传输效率高达86%,光学效率为23.6%。高效率来自由硅纳米发布组成的META-ATOMS中的MIE型电和磁性偶极子谐振的同时激发。我们的全息图在宽频谱范围内显示出高保真度,并且有望成为显示应用的出色替代方案。

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