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Performance of a Metamaterial Absorber in Radar Cross Section Reduction

Culhaoglu, Ali Eren and Osipov, Andrey and Russer, Peter (2012) Performance of a Metamaterial Absorber in Radar Cross Section Reduction. URSI Kleinheubacher Tagung 2012, 2012-09-24 - 2012-09-26, Kleinheubach, Deutschland.

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Abstract

This paper experimentally investigates the mono- and bistatic scattering cross section of an electrically large (approx. 16 wavelengths) metallic cube and cylinder coated with a metamaterial absorber at W-band frequencies (wavelength of approx. 3 mm). A simple metamaterial absorber composed of a metallic array of sub-wavelength sized capacitively loaded strip inclusions printed on top of a thin and grounded dielectric layer is designed and fabricated for this purpose. The performance of the absorber in radar cross section reduction is verified by comparing the scattering patterns of the coated and uncoated objects. It is shown that the performance of the absorber in scattering cross section reduction is closely related to the specular reflection coefficient of a flat and infinite sample of the absorber, and the absorber reduces scattering by approximately 10 dB in specular as well as non-specular directions around 94 GHz. The paper covers the whole range of performed activities from the design and fabrication of the absorber, to the numerical and experimental specification of the reflection coefficient of a flat sample, to the experimental demonstration of the effectiveness of the absorber in radar cross section reduction.

Item URL in elib:https://elib.dlr.de/79400/
Document Type:Conference or Workshop Item (Speech)
Title:Performance of a Metamaterial Absorber in Radar Cross Section Reduction
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Culhaoglu, Ali ErenUNSPECIFIEDUNSPECIFIED
Osipov, AndreyUNSPECIFIEDUNSPECIFIED
Russer, PeterTU MünchenUNSPECIFIED
Date:26 September 2012
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:radar cross section reduction, metamaterial absorber
Event Title:URSI Kleinheubacher Tagung 2012
Event Location:Kleinheubach, Deutschland
Event Type:national Conference
Event Dates:2012-09-24 - 2012-09-26
Organizer:URSI Deutschland
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben Sicherheitsrelevante Erdbeobachtung
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Reconnaissance and Security
Deposited By: Culhaoglu, Ali Eren
Deposited On:10 Dec 2012 09:19
Last Modified:10 Dec 2012 09:19

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