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Related Experiment Video

Updated: May 29, 2026

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

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Published on: December 27, 2012

A broadband planar terahertz metamaterial with nested structure.

Dibakar Roy Chowdhury1, Ranjan Singh, Matthew Reiten

  • 1MPA-CINT, Los Alamos National Laboratory, P.O. Box 1663, MS K771, Los Alamos, NM 87545, USA. dibakar@lanl.gov

Optics Express
|September 22, 2011
PubMed
Summary

Researchers broadened terahertz metamaterial resonance by nesting split ring resonators (SRRs). Adding inner rings enhanced linewidth by four times and caused a 316 GHz blue shift, useful for broader frequency applications.

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Area of Science:

  • Metamaterials Science
  • Terahertz Technology
  • Resonator Physics

Background:

  • Split ring resonators (SRRs) are fundamental metamaterial structures.
  • Controlling resonance properties is key for metamaterial applications.
  • Broadening resonance enhances frequency range for devices.

Purpose of the Study:

  • To demonstrate resonance broadening in terahertz metamaterials.
  • To investigate the effect of nested structures on resonance.
  • To explore potential applications of broadband metamaterials.

Main Methods:

  • Fabrication of nested split ring resonator (SRR) structures.
  • Successive insertion of metal rings into the SRR unit cell.
  • Analysis of terahertz response and resonance characteristics.

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Last Updated: May 29, 2026

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

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Published on: December 27, 2012

Fabricating Metamaterials Using the Fiber Drawing Method
11:57

Fabricating Metamaterials Using the Fiber Drawing Method

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Main Results:

  • Nested SRRs showed gradual broadening and blue shift of fundamental resonance.
  • Resonance linewidth enhanced by a factor of four with four nested rings.
  • Effective inductance decreased with each added ring, causing broadening.

Conclusions:

  • Nested SRR design effectively broadens terahertz metamaterial resonance.
  • This method preserves fundamental resonance while enabling broadband operation.
  • Potential applications include extending metamaterial functionality over wider frequency ranges.