Mid-infrared adaptive thermal camouflage using a phase-change material coupled dielectric nanoantenna

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buir.contributor.authorBuhara, Ebru
buir.contributor.authorGhobadi, Amir
buir.contributor.authorKhalichi, Bahram
buir.contributor.authorKocer, Hasan
buir.contributor.authorÖzbay, Ekmel
buir.contributor.orcidBuhara, Ebru|0000-0001-7060-7316
buir.contributor.orcidGhobadi, Amir|0000-0002-8146-0361
buir.contributor.orcidKhalichi, Bahram|0000-0002-9465-1044
buir.contributor.orcidKocer, Hasan|0000-0003-4107-3014
buir.contributor.orcidÖzbay, Ekmel|0000-0003-2953-1828
dc.citation.epage11en_US
dc.citation.spage1en_US
dc.citation.volumeNumber54en_US
dc.contributor.authorBuhara, Ebru
dc.contributor.authorGhobadi, Amir
dc.contributor.authorKhalichi, Bahram
dc.contributor.authorKocer, Hasan
dc.contributor.authorÖzbay, Ekmel
dc.date.accessioned2022-02-08T13:26:16Z
dc.date.available2022-02-08T13:26:16Z
dc.date.issued2021-04-23
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.departmentDepartment of Physicsen_US
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.departmentNanotechnology Research Center (NANOTAM)en_US
dc.description.abstractRecently, camouflage technology has attracted researchers' attention in a large variety of thermal applications. As a special phase change material (PCM), vanadium dioxide (VO2) is an excellent candidate for the studies conducted on thermal camouflage technology. VO2 has a transition from the insulator phase to the metal phase with the increase of the temperature. With regards to this unique feature, VO2 can contribute dynamic properties to the camouflage design. In this paper, a PCM–dielectric based metamaterial mid-infrared adaptive thermal camouflage nanoantenna is designed to perfectly mimic the atmospheric windows. The adaptive property of the proposed structure is obtained by using an ultrathin VO2 interlayer embedded within the grating. The spectral responses of the structure are computed using the finite difference time domain method, and the invisibility of the structure is proved using power calculations in the different mid-infrared regions.en_US
dc.identifier.doi10.1088/1361-6463/abf53den_US
dc.identifier.eissn1361-6463
dc.identifier.issn0022-3727
dc.identifier.urihttp://hdl.handle.net/11693/77138
dc.language.isoEnglishen_US
dc.publisherInstitute of Physics Publishing Ltd.en_US
dc.relation.isversionofhttps://doi.org/10.1088/1361-6463/abf53den_US
dc.source.titleJournal of Physics D: Applied Physicsen_US
dc.subjectThermal camouflageen_US
dc.subjectMid-infrareden_US
dc.subjectThermal detectionen_US
dc.subjectNanoantenna emitteren_US
dc.subjectMetamaterialen_US
dc.subjectVanadium dioxideen_US
dc.titleMid-infrared adaptive thermal camouflage using a phase-change material coupled dielectric nanoantennaen_US
dc.typeArticleen_US
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