Structural color filters with compensated angle-dependent shifts

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dc.contributor.authorRovenská, Katarínacs
dc.contributor.authorLigmajer, Filipcs
dc.contributor.authorIdesová, Beátacs
dc.contributor.authorKepič, Petercs
dc.contributor.authorLiška, Jiřícs
dc.contributor.authorChochol, Jancs
dc.contributor.authorŠikola, Tomášcs
dc.coverage.issue26cs
dc.coverage.volume31cs
dc.date.issued2023-12-18cs
dc.description.abstractStructural color filters use nano-sized elements to selectively transmit incident light, offering a scalable, economical, and environmentally friendly alternative to traditional pigment- and dye-based color filters. However, their structural nature makes their optical response prone to spectral shifts whenever the angle of incidence varies. We address this issue by introducing a conformal VO2 layer onto bare aluminum structural color filters. The insulator-metal transition of VO2 compensated the spectral shift of the filter’s transmission at a 15° tilt with 80% efficiency. Unlike solutions that require adjustment of the filter’s geometry, this method is versatile and suitable also for existing structural filters. Our findings also establish tunable materials in general as a possible solution for angle-dependent spectral shifts.en
dc.formattextcs
dc.format.extent43048-43056cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationOPTICS EXPRESS. 2023, vol. 31, issue 26, p. 43048-43056.en
dc.identifier.doi10.1364/OE.506069cs
dc.identifier.issn1094-4087cs
dc.identifier.orcid0000-0003-0346-4110cs
dc.identifier.orcid0000-0002-9098-1900cs
dc.identifier.orcid0000-0001-7080-1565cs
dc.identifier.orcid0000-0003-4217-2276cs
dc.identifier.other187394cs
dc.identifier.researcheridJ-3881-2014cs
dc.identifier.researcheridP-8262-2016cs
dc.identifier.scopus57222250201cs
dc.identifier.urihttp://hdl.handle.net/11012/244726
dc.language.isoencs
dc.relation.ispartofOPTICS EXPRESScs
dc.relation.urihttps://opg.optica.org/oe/fulltext.cfm?uri=oe-31-26-43048&id=544124cs
dc.rights(C)cs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1094-4087/cs
dc.subjectAngle of Incidenceen
dc.subjectAngle-dependenten
dc.subjectColor filtersen
dc.subjectDye-based colorsen
dc.subjectEnvironmentally friendly alternativesen
dc.subjectIncident lighten
dc.subjectNano-sized elementsen
dc.subjectOptical responseen
dc.subjectSpectral shiften
dc.subjectStructural coloren
dc.titleStructural color filters with compensated angle-dependent shiftsen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-187394en
sync.item.dbtypeVAVen
sync.item.insts2025.02.20 08:42:44en
sync.item.modts2025.02.18 13:33:35en
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. Ústav fyzikálního inženýrstvícs
thesis.grantorVysoké učení technické v Brně. Středoevropský technologický institut VUT. Příprava a charakterizace nanostrukturcs
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