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Metasurfaces: Subwavelength nanostructure arrays for ultrathin flat optics and photonics

Authors
  • RHO, JUNSUK
Publication Date
Mar 24, 2020
Source
[email protected]
Keywords
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Abstract

Miniaturization is a strong demand of modern scientific technology. However, conventional optical components based on refraction suffer from functional degradation as the device size decreases. Metasurfaces consisting of subwavelength optical antenna arrays have emerged as planar optical devices that enable many promising applications in lenses, holograms, and optical cloaks. During recent decades, metasurfaces have been developed for their specific functionalities by exploiting new materials and design algorithms. In this issue of MRS Bulletin, progress in metasurfaces is discussed to provide a comprehensive understanding of metasurfaces and their novel applications in optics and photonics. / 1 / N

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