Nearly Ideal Transparency with Artificially Designed Meta‐Atoms

Abstract: The ideal electromagnetic transparency refers to the ability of an object to remain scatteringless to any incoming waves, resulting in vacuum invisibility. However, natural solid substances can hardly be transparent in free space as they are responsive to external polarizations. Completely eliminating the polarization effect of an obstacle under arbitrary field illumination is a long‐standing scientific challenge. Here, it is shown that a subwavelength meta‐atom can be nearly ideally transparent in the vacuum. The overall vacuum‐like property of the meta‐atom is achieved through judiciously designing its internal polarization and magnetization. Remarkably, any large‐scale objects made by stacking the meta‐atoms inherit the vacuum‐like property and are scatteringless in free space. By both the simulations and experiments, the meta‐atom's peculiar property is reasonably verified. The proposed meta‐atoms are excellent candidates for a wide range of applications, such as perfect radar radomes, scatteringless walls, filtering devices, and self‐stealth materials.

Location
Deutsche Nationalbibliothek Frankfurt am Main
Extent
Online-Ressource
Language
Englisch

Bibliographic citation
Nearly Ideal Transparency with Artificially Designed Meta‐Atoms ; day:08 ; month:12 ; year:2023 ; extent:6
Advanced materials ; (08.12.2023) (gesamt 6)

Creator
Wang, Chun
Hu, Xiaojun
Peng, Liang
Tang, Jingxin
Ran, Lixin
Zhang, Shuang
Ye, Dexin

DOI
10.1002/adma.202308298
URN
urn:nbn:de:101:1-2023120914141987451943
Rights
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Last update
15.08.2025, 7:24 AM CEST

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Associated

  • Wang, Chun
  • Hu, Xiaojun
  • Peng, Liang
  • Tang, Jingxin
  • Ran, Lixin
  • Zhang, Shuang
  • Ye, Dexin

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