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Updated: May 18, 2026

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

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Published on: December 27, 2012

Multiband plasmonic absorber based on transverse phase resonances.

Yanxia Cui1, Kin Hung Fung, Jun Xu

  • 1Colledge of Physics and Optoelectronics, Taiyuan University of Technology, Taiyuan 030024, China. yanxiacui@gmail.com

Optics Express
|October 6, 2012
PubMed
Summary
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Researchers developed a multiband plasmonic absorber using T-shape grooves. This novel design achieves over 90% light absorption across multiple frequencies with wide-angle performance and tolerance to alignment errors.

Area of Science:

  • Optics and Photonics
  • Materials Science
  • Nanotechnology

Background:

  • Plasmonic absorbers are crucial for applications like solar energy harvesting and sensing.
  • Conventional designs often face limitations in bandwidth, angular dependence, and fabrication tolerance.

Purpose of the Study:

  • To demonstrate a novel multiband plasmonic absorber with enhanced performance.
  • To investigate the effect of T-shape groove modifications on plasmonic waveguide cavity modes.

Main Methods:

  • Fabrication of metallic surfaces with T-shape grooves.
  • Utilizing transverse phase resonances and lattice scattering.
  • Characterization of optical absorption spectra and angular dependence.

Main Results:

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Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures
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Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures

Published on: November 21, 2019

Related Experiment Videos

Last Updated: May 18, 2026

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

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Published on: December 27, 2012

Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters
10:54

Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters

Published on: July 8, 2013

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures
08:01

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures

Published on: November 21, 2019

  • Achieved multiband absorption with absorptivity exceeding 90% across new resonant modes.
  • Observed mode splitting of plasmonic waveguide cavity modes due to lattice scattering.
  • Demonstrated wide-angle absorption characteristics and insensitivity to layer alignment errors.

Conclusions:

  • The proposed T-shape groove structure offers a promising platform for high-performance multiband plasmonic absorbers.
  • The design overcomes limitations of conventional absorbers regarding bandwidth and angular sensitivity.
  • The structure's robustness to alignment errors simplifies practical implementation.