Visible light nearly perfect absorber: an optimum unit cell arrangement for near absolute polarization insensitivity

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buir.contributor.orcidÖzbay, Ekmel|0000-0003-2953-1828
dc.citation.epage27634en_US
dc.citation.issueNumber22en_US
dc.citation.spage27624en_US
dc.citation.volumeNumber25en_US
dc.contributor.authorGhobadi, Amiren_US
dc.contributor.authorHajian, Hodjaten_US
dc.contributor.authorGökbayrak, Muraten_US
dc.contributor.authorDereshgi, Sina Abedinien_US
dc.contributor.authorToprak, Ahmeten_US
dc.contributor.authorButun, Bayramen_US
dc.contributor.authorÖzbay, Ekmelen_US
dc.date.accessioned2018-04-12T11:00:43Z
dc.date.available2018-04-12T11:00:43Z
dc.date.issued2017en_US
dc.departmentNanotechnology Research Center (NANOTAM)en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.departmentDepartment of Physicsen_US
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.description.abstractIn this work, we propose an optimum unit cell arrangement to obtain near absolute polarization insensitivity in a metal-insulator-metal (MIM) based ultra-broadband perfect absorber. Our findings prove that upon utilizing this optimum arrangement, the response of the absorber is retained and unchanged over all arbitrary incidence light polarizations, regardless of the shape of the top metal patch. First, the impact of the geometry of the top nanopatch resonators on the absorption bandwidth of the overall structure is explored. Then, the response of the MIM design for different incidence polarizations and angles is scrutinized. Finally, the proposed design is fabricated and characterized. © 2017 Optical Society of America.en_US
dc.identifier.doi10.1364/OE.25.027624en_US
dc.identifier.issn10944087
dc.identifier.urihttp://hdl.handle.net/11693/37029
dc.language.isoEnglishen_US
dc.publisherOSA - The Optical Societyen_US
dc.relation.isversionofhttp://dx.doi.org/10.1364/OE.25.027624en_US
dc.source.titleOptics Expressen_US
dc.subjectLighten_US
dc.subjectMetal insulator boundariesen_US
dc.subjectPolarizationen_US
dc.subjectMetal insulator metalsen_US
dc.subjectMetal patchen_US
dc.subjectPerfect absorberen_US
dc.subjectPolarization insensitivityen_US
dc.subjectUltra-broadbanden_US
dc.subjectUnit cellsen_US
dc.subjectVisible lighten_US
dc.subjectMIM devicesen_US
dc.titleVisible light nearly perfect absorber: an optimum unit cell arrangement for near absolute polarization insensitivityen_US
dc.typeArticleen_US

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Nanotechnology Research Center (NANOTAM)
Department of Electrical and Electronics Engineering
Department of Physics
Institute of Materials Science and Nanotechnology (UNAM)