Design of a negative refractive index material based on numerical simulation

•A new kind of resonator was presented and numerical simulations were carried out.•The presented structure is capable of achieving negative permeability as well as negative permittivity and thus negative refractive index.•The prism-shaped simulation technique was used to confirm the negative refract...

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Bibliographic Details
Published in:Chinese journal of physics (Taipei) 2016-08, Vol.54 (4), p.587-591
Main Authors: Rizwan, Muhammad, Mahmood, Tariq, Rafique, H.M., Tanveer, M., Haider, Syed Fawad
Format: Article
Language:English
Subjects:
Left-hand material
Negative permeability
Negative permittivity
Negative refractive index
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Summary:•A new kind of resonator was presented and numerical simulations were carried out.•The presented structure is capable of achieving negative permeability as well as negative permittivity and thus negative refractive index.•The prism-shaped simulation technique was used to confirm the negative refractive index at negative refraction frequency. Numerical simulation analysis of a new kind of resonator is presented. The proposed structure operates as a magnetic resonator that provides dual band negative permeability behavior as a result of magnetic resonance produced due to self and mutual coupling of the inclusions. It also shows negative permittivity for a broad frequency band. The proposed structure is capable of achieving negative refractive index at the frequency where both negative permittivity and negative permeability overlapping each other. The design of the resonator is simple and, thus, it allows playing with geometric contents for potential applications.
ISSN:0577-9073
DOI:10.1016/j.cjph.2016.05.009