Lithography-free planar band-pass reflective color filter using a series connection of cavities

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buir.contributor.authorGhobadi, Amir
buir.contributor.authorHajian, Hodjat
buir.contributor.authorSoydan, Mahmut Can
buir.contributor.authorBütün, Bayram
buir.contributor.authorÖzbay, Ekmel
buir.contributor.orcidÖzbay, Ekmel|0000-0003-2953-1828
dc.citation.epage11en_US
dc.citation.issueNumber1en_US
dc.citation.spage1en_US
dc.citation.volumeNumber9en_US
dc.contributor.authorGhobadi, Amiren_US
dc.contributor.authorHajian, Hodjaten_US
dc.contributor.authorSoydan, Mahmut Canen_US
dc.contributor.authorBütün, Bayramen_US
dc.contributor.authorÖzbay, Ekmelen_US
dc.date.accessioned2020-02-11T07:45:23Z
dc.date.available2020-02-11T07:45:23Z
dc.date.issued2019-01
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.abstractIn this article, a lithography-free multilayer based color flter is realized using a proper series connection of two cavities that shows relatively high efciency, high color purity, and a wide view angle. The proposed structure is a metal-insulator-metal-insulator-semiconductor (MIMIS) design. To optimize the device performance, at the frst step, transfer matrix method (TMM) modeling is utilized to fnd the right choices of materials for each layer. Simulations are carried out later on to optimize the geometries of the layers to obtain our desired colors. Finally, the optimized devices are fabricated and experimentally characterized to evaluate our modelling fndings. The characterization results of the fabricated samples prove the successful formation of efcient and wide view angle color flters. Unlike previously reported FP based designs that act as a band-stop flter in refection mode (absorbing a narrow frequency range and refecting the rest of the spectrum), this design generates a specifc color by refecting a narrow spectral range and absorbing the rest of the spectrum. The fndings of this work can be extended to other multilayer structures where an efcient connection of cavities in a tandem scheme can propose functionalities that cannot be realized with conventional FP resonators.en_US
dc.description.provenanceSubmitted by Evrim Ergin (eergin@bilkent.edu.tr) on 2020-02-11T07:45:23Z No. of bitstreams: 1 Lithography-Free_Planar_Band-Pass_Reflective_Color_Filter_Using_A_Series_Connection_of_Cavities.pdf: 5350695 bytes, checksum: cc81cb3278405e59347135e7cd112aae (MD5)en
dc.description.provenanceMade available in DSpace on 2020-02-11T07:45:23Z (GMT). No. of bitstreams: 1 Lithography-Free_Planar_Band-Pass_Reflective_Color_Filter_Using_A_Series_Connection_of_Cavities.pdf: 5350695 bytes, checksum: cc81cb3278405e59347135e7cd112aae (MD5) Previous issue date: 2019-01en
dc.identifier.doi10.1038/s41598-018-36540-8en_US
dc.identifier.eissn2045-2322
dc.identifier.urihttp://hdl.handle.net/11693/53256
dc.language.isoEnglishen_US
dc.publisherNature Publishing Groupen_US
dc.relation.isversionofhttps://doi.org/10.1038/s41598-018-36540-8en_US
dc.source.titleScientific Reportsen_US
dc.subjectMetamaterialsen_US
dc.subjectNanocavitiesen_US
dc.subjectNanophotonics and plasmonicsen_US
dc.titleLithography-free planar band-pass reflective color filter using a series connection of cavitiesen_US
dc.typeArticleen_US

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