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Updated: Jun 17, 2026

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers
13:44

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Published on: December 27, 2012

Ultra-wideband absorption-polarization conversion function switchable terahertz metamaterial.

Yue Zhao1, Chunrui Zhao2, Nan Liu1

  • 1School of Automation and Information Engineering, Xi'an University of Technology, Xi'an, 710048, P.R. China. zcui@xaut.edu.cn.

Dalton Transactions (Cambridge, England : 2003)
|June 16, 2026
PubMed
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This study introduces a novel terahertz metamaterial device using vanadium dioxide (VO2) that dynamically switches between ultra-wideband absorption and polarization conversion. This reconfigurable device offers advanced capabilities for terahertz applications.

Area of Science:

  • Metamaterials
  • Terahertz Technology
  • Phase-Change Materials

Background:

  • Terahertz (THz) metamaterials offer unique electromagnetic properties.
  • Achieving multifunctional and reconfigurable THz devices remains a significant challenge.
  • Vanadium dioxide (VO2) exhibits a reversible insulator-to-metal phase transition crucial for dynamic control.

Purpose of the Study:

  • To design and demonstrate a bifunctional reconfigurable THz metamaterial.
  • To integrate ultra-wideband absorption and broadband polarization conversion.
  • To utilize the phase transition of VO2 for dynamic electromagnetic response switching.

Main Methods:

  • Numerical simulations and theoretical analysis were employed.
  • The device design exploits the insulator-to-metal phase transition of VO2.

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Last Updated: Jun 17, 2026

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers
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Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Published on: December 27, 2012

Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters
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  • Surface current analysis, electric field monitoring, and parameter extraction elucidated mechanisms.

    • Main Results:

    • The device achieved broadband linear cross-polarization conversion in the insulating state.
    • It demonstrated ultra-wideband perfect absorption in the metallic state.
    • Excellent polarization insensitivity and wide-incidence-angle stability were confirmed.

    Conclusions:

    • The proposed VO2-based metamaterial offers dual functionality with dynamic reconfigurability.
    • It exhibits superior bandwidth and compact design compared to existing THz devices.
    • Potential applications include intelligent stealth, THz imaging, and advanced communications.