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Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

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Published on: December 27, 2012

Transition metamaterials with spatially separated zeros.

Ethan A Gibson¹, Ildar R Gabitov, Andrei I Maimistov

¹The State University of New York at Buffalo, Buffalo, New York 14260, USA.

|September 21, 2011

Summary

The spatial shift between dielectric and magnetic properties in metamaterials robustly affects resonant absorption and field enhancement. These phenomena are strongly polarization-dependent, impacting optics research.

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Area of Science:

Metamaterials Science
Optics and Photonics

Background:

Metamaterials exhibit unique electromagnetic properties derived from their structure.
Resonant absorption and field enhancement are key phenomena in metamaterials.

Purpose of the Study:

To investigate the impact of spatial separation between permittivity and permeability zeros on metamaterial phenomena.
To analyze the polarization dependence of these effects.

Main Methods:

Analytical studies of electromagnetic response.
Numerical simulations of metamaterial behavior.

Main Results:

Resonant absorption and anomalous field enhancement are robust to spatial shifts.
These phenomena exhibit strong polarization dependence.

Conclusions:

Spatial arrangement of material properties significantly influences metamaterial optical responses.
Findings are crucial for developing advanced transformation, polarization, and nonlinear optical devices.