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Related Experiment Video

Updated: May 13, 2026

Fabrication of Gate-tunable Graphene Devices for Scanning Tunneling Microscopy Studies with Coulomb Impurities

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Published on: July 24, 2015

Switchable five-function terahertz metasurface based on graphene and vanadium dioxide with single-sized

Juan Deng^1,2, Xinyu Zhu^1,2, Jiaxi Duan^1,2

¹Department of Physics, Zhejiang University of Technology, Hangzhou 310023, People's Republic of China.

|July 29, 2025

Summary

This summary is machine-generated.

This study introduces a novel terahertz metasurface using graphene and vanadium dioxide (VO2). It integrates five functions, including near-field and far-field imaging, into a single, size-invariant nanostructure.

Keywords:

multifunctional single-sized nanostructure switchable metasurface terahertz frequency

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Area of Science:

Terahertz (THz) technology
Metamaterials and Nanophotonics

Background:

Miniaturization and integration of multifunctional devices are crucial in the terahertz range.
Existing hybrid metasurfaces struggle to integrate diverse functions and often require size changes, limiting terahertz device development.

Purpose of the Study:

To design a single-sized, multifunctional terahertz metasurface by combining graphene and vanadium dioxide (VO2).
To achieve switchable integration of five distinct functions, including near-field and far-field applications.

Main Methods:

Design of a novel terahertz metasurface utilizing hybridized graphene and vanadium dioxide (VO2) nanostructures.
Simulations to validate the metasurface's performance across multiple functionalities.

Main Results:

Demonstration of a single-sized nanostructure achieving five switchable functions.
Successful integration of polarization conversion, broadband modulation, and absorption capabilities.
Realization of both near-field nanoprinting imaging and far-field holographic imaging within the same metasurface.

Conclusions:

The proposed metasurface offers a new platform for tunable, multifunctional terahertz devices.
Simultaneous integration of near-field and far-field functions in a single, size-invariant metasurface.
Significant contribution towards the miniaturization and integration of advanced terahertz applications.