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August 11, 2025Advanced Functional Materials

All‐Dielectric Asymmetric Metagrating for Broadband and Wide‐Angle Terahertz Beam Steering with High Efficiency

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Authors

SPShuang PengSLSu Rui LiJMJie Ma

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Overview

The proposed metagrating achieves over 80% efficiency in terahertz beam steering, indicating broad frequency and angle control.

Key Points

  • Broadband terahertz beam steering is achieved with efficiencies over 80%, demonstrating effective energy direction.
  • The device enables frequency scanning from −36° to −22°, supporting a relative bandwidth of 15%.
  • An all-dielectric asymmetric metagrating using four-silicon-pillars facilitates robust beam steering performance.
  • This method highlights potential advances in terahertz photonic components with improved efficiency and versatility.

Cite This Study

Peng et al. (2025) studied this question.

synapsesocial.com/papers/68a360ce0a429f7973328b2ahttps://doi.org/10.1002/adfm.202512746
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Also Consider

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  1. 1Flexible Diffraction Control Terahertz Metagrating in Multiple Degrees of Freedom With High Efficiency2026
  2. 2High‐Efficiency Generation of Vectorial Terahertz Beams via Surface‐Wave‐Excited Dielectric Metasurfaces2026
  3. 3Dispersive terahertz metasurface fed by a horn antenna for highly oriented 2D beam steering2024 · 2 citations
  4. 4Broadband Silicon‐On‐Glass Reflective Dielectric Metasurface for THz Beam Steering in 6G Wireless Networks2026
  5. 5Design and analysis of multi-angle diffraction efficiency distribution for all-dielectric transmissive grating2025