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Simulation, Fabrication and Characterization of THz Metamaterial Absorbers
Published on: December 27, 2012
Connected bulk negative index photonic metamaterials.
Durdu O Güney1, Thomas Koschny, Maria Kafesaki
1Department of Physics and Astronomy, Iowa State University,Ames, Iowa 50011, USA. dguney@ameslab.gov
Optics Letters
|April 18, 2009
Summary
We designed novel photonic metamaterials with a negative refractive index for telecommunication wavelengths. These structures are suitable for advanced fabrication methods, enabling new optical device possibilities.
Area of Science:
- Photonics and Materials Science
- Metamaterials research
- Optical engineering
Background:
- Photonic metamaterials offer unique electromagnetic properties.
- Achieving negative refractive index is crucial for advanced optical applications.
- Existing designs often face fabrication challenges.
Purpose of the Study:
- To design bulk one- and two-dimensionally isotropic photonic negative index metamaterials.
- To ensure the designed metamaterials operate around telecom wavelengths.
- To propose designs compatible with established fabrication techniques.
Main Methods:
- Computational design and simulation of metamaterial structures.
- Analysis of electromagnetic properties, including refractive index.
- Evaluation of structural connectivity for fabrication.
Main Results:
- Successful design of isotropic photonic negative index metamaterials.
- Demonstrated operation within the telecom wavelength range.
- Designs exhibit inherent connectivity, facilitating fabrication.
Conclusions:
- The proposed metamaterial designs are viable for telecom applications.
- Fabrication is feasible using methods like direct laser writing and chemical vapor deposition.
- These advancements pave the way for novel optical devices.
