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Proposed composite material for nonreflecting shields and antenna radomes

Proposed composite material for nonreflecting shields and antenna radomes

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© The Institution of Electrical Engineers
Published

A novel microstructurce with two sets of Ω-shaped conductive elements is suggested. The material is modelled by uniaxial bianisotropic constitutive relations. With specific material parameter values, a lossy layer can serve as a nonreflecting shield. If losses are small, the material is suited for lowreflection antenna radomes.

Inspec keywords: antenna accessories; electromagnetic wave absorption; composite materials; shielding

Other keywords: lossy layer; antenna radomes; nonreflecting shields; microstructure; uniaxial bianisotropic constitutive relations; Ω-shaped conductive elements; composite material

Subjects: Electromagnetic compatibility and interference; Composite materials (engineering materials science); Antenna accessories

References

    1. 1)
      • D.L. Jaggard , N. Engheta , J. Liu . Chiroshield: A Salisbury/Dallenbach shield alternative. Electron. Lett. , 1332 - 1334
    2. 2)
      • M.M.I. Saadoun , N. Engheta . A reciprocal phase shifter using novel pseudochiral or Ω medium. Microw. & Opt. Technol. Lett. , 184 - 188
    3. 3)
      • V.K. Varadan , V.V. Varadan , A. Lakhtakia . On the possibility of designing anti-reflection coating using chiral composites. J. Wave-Mater. Interact. , 71 - 81
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