Left-handed metamaterial inspired by joint TD geometry on flexible NiAl2O4 substrate

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

In this paper, we introduce a new compact left-handed tunable metamaterial structure, inspired by a joint T-D shape geometry on a flexible NiAl2O4 substrate. The designed metamaterial exhibits an extra-large negative refractive index bandwidth of 6.34 GHz, with an operating frequency range from 4 to 18 GHz. We demonstrate the effects of substrate material thickness on the effective properties of metamaterial using two substrate materials: 1) flame retardant 4 and 2) flexible nickel aluminate. A finite integration technique based on the Computer Simulation Technology Microwave Studio electromagnetic simulator was used for our design, simulation, and investigation. A finite element method based on an HFSS (High Frequency Structure Simulator) electromagnetic simulator is also used to simulate results, perform verifications, and compare the measured results. The simulated resonance peaks occurred at 6.42 GHz (C-band), 9.32 GHz (X-band), and 16.90 GHz (Ku-band), while the measured resonance peaks occurred at 6.60 GHz (C-band), 9.16 GHz (X-band) and 17.28 GHz (Ku-band). The metamaterial structure exhibited biaxial tunable properties by changing the electromagnetic wave propagation in the y and z directions and the left-handed characteristics at 11.35 GHz and 13.50 GHz.

Original languageEnglish
Article numbere0199150
JournalPLoS One
Volume13
Issue number6
DOIs
Publication statusPublished - 1 Jun 2018

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Electromagnetic Phenomena
Metamaterials
Joints
Flame Retardants
Electromagnetic Radiation
flame retardants
Refractometry
refractive index
Geometry
Simulators
Substrates
Microwaves
Nickel
nickel
computer simulation
Computer Simulation
Electromagnetic wave propagation
Technology
Studios
methodology

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

Cite this

Left-handed metamaterial inspired by joint TD geometry on flexible NiAl2O4 substrate. / Ahamed, Eistiak; Mehedi Hasan, Md; Faruque, Mohammad Rashed Iqbal; Mansor, Mohd Fais; Sabirin, Abdullah; Islam, Mohammad Tariqul.

In: PLoS One, Vol. 13, No. 6, e0199150, 01.06.2018.

Research output: Contribution to journalArticle

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