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Full wave analysis of composite absorbing layers
Publikationstyp
Conference Paper
Date Issued
2006
Sprache
English
Author(s)
Institut
Start Page
1011
End Page
1014
Article Number
4057993
Citation
Proceedings of the 36th European Microwave Conference, EuMC 2006 (): 4057993 1011-1014 (2006)
Contribution to Conference
Publisher DOI
Scopus ID
Publisher
IEEE Operations Center
A two layer absorbing structure is investigated. It is built from small lossy dielectric spheres. Their density is adjusted such that the wave Impedance increases linearly. The different layers are further loaded with metallic helices. These give high losses at resonance. A scattering approach based on the dipole-polarizabilities of the helices and the Mie-solution of the dielectric spheres is compared to the Maxwell-Garnett theory. It is shown that due to strong mutual coupling some differences arise. These are assessed in view of design considerations for such materials. © 2006 EuMA.
Subjects
Absorbing media
Chiral media
Electro-magnetic scattering
Helices
Nonhomogeneous media
Simulation
DDC Class
600: Technik
620: Ingenieurwissenschaften