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June 27, 2026SmallOpen Access

High‐Efficiency Generation of Vectorial Terahertz Beams via Surface‐Wave‐Excited Dielectric Metasurfaces

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Authors

YHY Q HeYLYing LiuYYYao Yao

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Overview

Randomized trial demonstrates efficient generation of vectorial beams in terahertz, suggesting advanced applications.

Key Points

  • The aim is to develop high-efficiency dielectric metasurfaces for generating tailored vectorial terahertz beams.
  • Characterization of dielectric meta-atoms to assess their properties.
  • Construction and testing of meta-devices generating circularly polarized beams under surface-wave excitation.
  • Experimental validation in the terahertz regime.
  • Achieved a working efficiency of 92% for the dielectric meta-system.
  • Successfully generated an azimuthally polarized Bessel beam and a vectorial multifocal holographic image.
  • Showed significant improvement in efficiency compared to traditional metallic metasurfaces.

Cite This Study

He et al. (2026) studied this question.

synapsesocial.com/papers/6a3f69a5aea7db3c1954054chttps://doi.org/10.1002/smll.74309
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