Design and analysis of a perfect metamaterial absorber for sub-terahertz frequencies

A new near-perfect metamaterial absorber (MA) consisting of a square resonator with gaps and cross-wire strips is presented for the sub-terahertz frequency range. A narrow-band response of the proposed MA provides near-perfect absorption (absorbance of 99.23%) at 0.6 THz. In addition, numerical simu...

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Bibliographic Details
Main Authors: Sabah, Cumali, Wellmann, Thorsten, Voß, Daniel, Zouaghi, Wissem, Roskos, Hartmut G.
Format: Conference Proceeding
Language:English
Subjects:
Absorbers (materials)
Absorption
Computer simulation
Electrons
Incidence angle
Mathematical models
Metamaterials
Stealth technology
Terahertz frequencies
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Summary:A new near-perfect metamaterial absorber (MA) consisting of a square resonator with gaps and cross-wire strips is presented for the sub-terahertz frequency range. A narrow-band response of the proposed MA provides near-perfect absorption (absorbance of 99.23%) at 0.6 THz. In addition, numerical simulations show that the suggested MA could achieve very high absorption over a wide range of angles of incidence at least for transverse magnetic (TM) waves. As a result, the suggested model can be used for numerous potential application areas in defense systems, communications, stealth technologies, and so on.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.4944201