4.4 Article

Achieving full color with a strong Mie resonance using a silicon U-shape nanostructure metasurface

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JOURNAL OF OPTICS
卷 21, 期 5, 页码 -

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IOP PUBLISHING LTD
DOI: 10.1088/2040-8986/ab16ba

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metamaterial; Mie resonance; color

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资金

  1. National Research Foundation of Korea (NRF) - Korean government [NRF-2016R1C1B2007007]

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The fundamental goals of display technology are achieving more vivid colors and higher resolutions. In this study, we propose a unique nanoarray silicon structure called a U-shaped structure array. This structure exhibits several Mie resonances for incident light, making it capable of reflecting specific colors by manipulating the geometric parameters of its structure. The bottom thickness of an individual U-shaped structure can be decreased to make one dominant resonance peak, thereby achieving a clearer reflected color. Based on this structure, we investigate all color responses to different geometric properties. Our results demonstrate that full vivid color can be reflected by this U-shaped structure array by manipulating its Mie resonances. Our results of all-dielectric U-shaped nanostructures can be applied to reflected displays and color filters.

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