Eur. Phys. J. AP
Volume 8, Number 2, September 1999
|Page(s)||147 - 151|
|Published online||15 September 1999|
Numerical study of bandwidth of radar absorbers
Scientific Center for Applied Problems in Electrodynamics (SCAPE),
Russian Academy of Sciences,
13/19 Izhorskaya ul., Moscow 127412, Russia
Corresponding author: email@example.com
Revised: 7 July 1999
Accepted: 14 September 1999
Published online: 15 September 1999
A numerical study is made of the bandwidth to thickness ratio of radar absorbers for the suppression of normally incident waves. The study deals with single- and multi-layer dielectric absorbers, in which the frequency dispersion of the permittivity is allowed for. Analysis of the results permits obtaining a simple empirical relationship between thickness, bandwidth, and reflectance level of some specific kinds of absorbers. Essential features of different designs of dielectric radar absorbers are revealed and discussed.
PACS: 78.20.Ci – Optical constants (including refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity) / 78.66.Sq – Composite materials / 78.70.-g – Interactions of particles and radiation with matter
© EDP Sciences, 1999
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