A polarization insensitive wide-band perfect absorber

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dc.authorid0000-0002-5929-861Xen_US
dc.contributor.authorDurmaz, Habibe
dc.contributor.authorÇetin, Arif E.
dc.contributor.authorLi, Yuyu
dc.contributor.authorPaiella, Roberto
dc.date.accessioned2019-12-06T21:15:05Z
dc.date.available2019-12-06T21:15:05Z
dc.date.issued2019
dc.departmentKMÜ, Mühendislik Fakültesi, Elektrik Elektronik Mühendisliği Bölümüen_US
dc.descriptionWOS:000481868900040en_US
dc.description.abstractIn this article, a wide-band and polarization-insensitive perfect absorber composed of 4 sandwiched layers of dielectric and metal disks is introduced. Compared to classical perfect absorbers, the system supports near-unity absorption within a wider spectral window through multiple perfect absorption mechanisms that exist due to a constituting inter-metal disk, functioning either as a dipolar antenna or a conducting ground for different perfect absorption mechanisms. Circular shape of the antenna makes the working mechanism of the system polarization insensitive. The working principle of the system is investigated through near- and far-field calculations by finite difference time domain (FDTD) simulations. A fine-tuning mechanism of the wide-range perfect absorption window is introduced through geometrical device parameters. The multilayer perfect absorber system is fabricated through a high-quality fabrication method based on electron beam lithography, lift-off method, and multi-step deposition of metal and dielectric layers. The spectral behavior of the perfect absorber system is finally experimentally investigated through Fourier transform infrared (FTIR) spectroscopy.en_US
dc.identifier.citationDurmaz, H., Çetin, A. E., Li, Y., Paiella, R. (2019). A polarization insensitive wide-band perfect absorber. Advanced Engineering Materials, 21, 8.
dc.identifier.doi10.1002/adem.201900188
dc.identifier.issn1438-1656
dc.identifier.issn1527-2648
dc.identifier.issue8en_US
dc.identifier.scopus2-s2.0-85067692262
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://dx.doi.org/10.1002/adem.201900188
dc.identifier.urihttps://hdl.handle.net/11492/2411
dc.identifier.volume21en_US
dc.identifier.wosWOS:000481868900040
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Sceince
dc.indekslendigikaynakScopus
dc.institutionauthorDurmaz, Habibe
dc.language.isoen
dc.publisherWıley-V C H Verlag Gmbhen_US
dc.relation.journalAdvanced Engineering Materialsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectFDTDen_US
dc.subjectPerfect Absorptionen_US
dc.subjectPolarization Insensitiveen_US
dc.titleA polarization insensitive wide-band perfect absorberen_US
dc.typeArticle

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