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Optical cloaking of macroscopic objects by geometric-phase vortex processing

dc.contributor.authorRAFAYELYAN, Mushegh
dc.contributor.authorMELKONYAN, Henrik
dc.contributor.authorTIGRANYAN, Arman
hal.structure.identifierLaboratoire Ondes et Matière d'Aquitaine [LOMA]
dc.contributor.authorBRASSELET, Etienne
dc.date.accessioned2023-05-11T04:57:15Z
dc.date.available2023-05-11T04:57:15Z
dc.date.issued2022-08-10
dc.identifier.issn2040-8978
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/180950
dc.description.abstractEnAbstract We report on free-space strategy for electromagnetic concealment of three-dimensional macroscopic objects in the optical domain owing to unique energy flow redirection capabilities enabled by optical phase singularities. We propose and implement the generation of a quasi-nodal volume based on optical vortex Fourier processing, which inhibits light scattering from objects placed inside. The proof of concept is made by numerical simulations and the experimental implementation is carried out in the visible domain by using geometric phase vortex phase masks. Optical cloaking demonstration is made by using stainless steel sphere as the object to be concealed. The geometric phase nature of the vortex masks confers polarization independent features to the device and makes it possible to implement in a reflection mode.
dc.language.isoen
dc.publisherInstitute of Physics (IOP)
dc.title.enOptical cloaking of macroscopic objects by geometric-phase vortex processing
dc.typeArticle de revue
dc.identifier.doi10.1088/2040-8986/ac8495
dc.subject.halPhysique [physics]
bordeaux.journalJournal of Optics
bordeaux.page094005
bordeaux.volume24
bordeaux.hal.laboratoriesLaboratoire Ondes et Matière d'Aquitaine (LOMA) - UMR 5798*
bordeaux.issue9
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionCNRS
bordeaux.peerReviewedoui
hal.identifierhal-03871587
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03871587v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Journal%20of%20Optics&rft.date=2022-08-10&rft.volume=24&rft.issue=9&rft.spage=094005&rft.epage=094005&rft.eissn=2040-8978&rft.issn=2040-8978&rft.au=RAFAYELYAN,%20Mushegh&MELKONYAN,%20Henrik&TIGRANYAN,%20Arman&BRASSELET,%20Etienne&rft.genre=article


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