Revisiting the Design Strategies for Metasurfaces: Fundamental Physics, Optimization, and Beyond,Advanced Materials

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Revisiting the Design Strategies for Metasurfaces: Fundamental Physics, Optimization, and Beyond
Advanced Materials ( IF 27.4 ) Pub Date : 2022-09-25 , DOI: 10.1002/adma.202206399
Sunae So ₁ , Jungho Mun ₂ , Junghyun Park ₃ , Junsuk Rho _{2,

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Affiliation

Over the last two decades, the capabilities of metasurfaces in light modulation with subwavelength thickness have been proven, and metasurfaces are expected to miniaturize conventional optical components and add various functionalities. Herein, various metasurface design strategies are reviewed thoroughly. First, the scalar diffraction theory is revisited to provide the basic principle of light propagation. Then, widely used design methods based on the unit-cell approach are discussed. The methods include a set of simplified steps, including the phase-map retrieval and meta-atom unit-cell design. Then, recently emerging metasurfaces that may not be accurately designed using unit-cell approach are introduced. Unconventional metasurfaces are examined where the conventional design methods fail and finally potential design methods for such metasurfaces are discussed.

中文翻译：

重新审视超表面的设计策略：基础物理、优化及其他

在过去的二十年里，超表面在亚波长厚度的光调制方面的能力已经得到证明，超表面有望使传统光学元件小型化并增加各种功能。在此，对各种超表面设计策略进行了彻底的回顾。首先，重新审视标量衍射理论以提供光传播的基本原理。然后，讨论了广泛使用的基于单元方法的设计方法。这些方法包括一组简化的步骤，包括相位图检索和元原子晶胞设计。然后，介绍了最近出现的超表面，这些超表面可能无法使用晶胞方法精确设计。在传统设计方法失败的地方检查非常规超表面，最后讨论此类超表面的潜在设计方法。

更新日期：2022-09-25

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