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Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Published on: December 27, 2012

Functional multi-band THz meta-foils.

Jianfeng Wu¹, Herbert O Moser², Su Xu³

¹Center for Ion Beam Applications (CIBA), Department of Physics, National University of Singapore, 2 Science Drive 3, 117542, Singapore.

Scientific Reports

|December 19, 2013

Summary

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This summary is machine-generated.

Researchers demonstrate multi-band negative refraction index meta-foils in the terahertz region. These novel terahertz (THz) materials exhibit simultaneous negative permittivity and permeability at multiple frequencies.

Area of Science:

Metamaterials and Nanophotonics
Terahertz (THz) Science and Technology

Background:

Negative refraction requires simultaneous negative permittivity and permeability.
Achieving multi-band negative refraction in a single structure is challenging.
Terahertz (THz) frequencies offer unique opportunities for novel electromagnetic phenomena.

Purpose of the Study:

To experimentally demonstrate double- and triple-band negative refraction index meta-foils.
To investigate multi-band meta-foils with multi-cell S-string resonators.
To explore the potential of these meta-foils for multi-frequency THz applications.

Main Methods:

Fabrication of multi-band meta-foils using multi-cell S-string resonators.
Numerical simulations to verify electromagnetic responses.

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Last Updated: May 4, 2026

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Published on: December 27, 2012

Fabricating Metamaterials Using the Fiber Drawing Method

Fabricating Metamaterials Using the Fiber Drawing Method

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Fourier transform infrared spectroscopy measurements for experimental validation.

Main Results:

Experimental demonstration of double- and triple-band negative refraction.
Simultaneous negative permittivity and permeability achieved at multiple frequencies.
Validation of simulated results through spectroscopic measurements.

Conclusions:

Flexible, freestanding meta-foils exhibiting multi-band negative refraction are realized.
These meta-foils are promising for developing advanced multi-frequency THz devices.
The S-string resonator design enables simultaneous multi-band negative electromagnetic responses.