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Related Experiment Video

Updated: May 1, 2026

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Published on: December 27, 2012

Broadband absorption engineering of hyperbolic metafilm patterns.

Dengxin Ji¹, Haomin Song¹, Xie Zeng¹

¹Department of Electrical Engineering, University at Buffalo, The State University of New York, Buffalo, NY 14260.

Scientific Reports

|March 29, 2014

Summary

This summary is machine-generated.

Researchers developed a compact, on-chip broadband super absorber using hyperbolic metamaterials. This device efficiently absorbs light across near- to mid-infrared wavelengths, promising advancements in energy harvesting and thermal management technologies.

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Last Updated: May 1, 2026

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

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Area of Science:

Optics and Photonics
Materials Science
Nanotechnology

Background:

Perfect absorbers are crucial for applications like photon/thermal-harvesting and energy recycling.
Achieving ultra-compact, subwavelength absorbers for on-chip applications remains a significant challenge.
Existing micro-structured materials often struggle with miniaturization for integrated photonic devices.

Purpose of the Study:

To experimentally realize an on-chip broadband super absorber.
To achieve strong and tunable absorption in the near-infrared to mid-infrared spectral regions.
To enable efficient optical/thermal energy applications on a chip.

Main Methods:

Utilized a hyperbolic metamaterial waveguide taper array.
Engineered the structure for broadband absorption.
Demonstrated tunability of the absorption profile.

Main Results:

Successfully created an on-chip broadband super absorber.
Achieved strong absorption from near-infrared to mid-infrared wavelengths.
Demonstrated a tunable absorption profile.

Conclusions:

The developed hyperbolic metamaterial structure enables efficient on-chip broadband absorption.
This technology can lead to new optical/thermal physics regimes.
The super absorber holds promise for diverse energy technologies, including photovoltaics and thermal energy harvesting.