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dc.contributor.authorKotlyar, V. V.
dc.contributor.authorNalimov, A. G.
dc.contributor.authorStafeev, S. S.
dc.contributor.authorHu, Changyu
dc.contributor.authorO'Faolain, L.
dc.contributor.authorKotlyar, M. V.
dc.contributor.authorGibson, D.
dc.contributor.authorSong, S.
dc.identifier.citationKotlyar , V V , Nalimov , A G , Stafeev , S S , Hu , C , O'Faolain , L , Kotlyar , M V , Gibson , D & Song , S 2017 , ' Thin high numerical aperture metalens ' , Optics Express , vol. 25 , no. 7 , pp. 8158-8167 .
dc.identifier.otherPURE: 249577739
dc.identifier.otherPURE UUID: 96da7f0d-b31f-4e3d-8b0e-b8ba58b8fcff
dc.identifier.otherBibtex: urn:8d5d59addcc7d15d61b2abb13208a3aa
dc.identifier.otherScopus: 85017028646
dc.identifier.otherWOS: 000398536000091
dc.descriptionRF Ministry of Education and Science, RF President's grants for support of young candidates of science (MK-9019.2016.2) and leading scientific schools (NSh-9498.2016.9), and RFBR grants ## 15-07-01174, 15-37-20723, 15-47-02492, 16-29-11698, the European Research Council (ERC) under the European Union's Seventh Framework Programme (FP7/2007-2013) / ERC grant agreement n°337508, Federal Agency for Scientific Organizations.en
dc.description.abstractWe designed, fabricated, and characterized a thin metalens in an amorphous silicon film of diameter 30 µm, focal length equal to the incident wavelength 633 nm. The lens is capable of simultaneously manipulating the state of polarization and phase of incident light. The lens converts a linearly polarized beam into radially polarized light, producing a subwavelength focus. When illuminated with a linearly polarized Gaussian beam, the lens produces a focal spot whose size at full-width half-maximum intensity is 0.49λ and 0.55λ (λ is incident wavelength). The experimental results are in good agreement with the numerical simulation, with the simulated focal spot measuring 0.46λ and 0.52λ. This focal spot is less than all other focal spots obtained using metalenses.
dc.relation.ispartofOptics Expressen
dc.rights© 2017, Optical Society of America. This work has been made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at /
dc.subjectBinary opticsen
dc.subjectMicrostructure fabricationen
dc.subjectPolarization-selective devicesen
dc.subjectDiffractive lensesen
dc.subjectNear-field microscopyen
dc.subjectSubwavelength structuresen
dc.subjectQC Physicsen
dc.titleThin high numerical aperture metalensen
dc.typeJournal articleen
dc.contributor.sponsorEuropean Research Councilen
dc.contributor.institutionUniversity of St Andrews. School of Physics and Astronomyen
dc.contributor.institutionUniversity of St Andrews. Microphotonics and Photonic Crystals Groupen
dc.description.statusPeer revieweden
dc.identifier.grantnumber337508 337508en

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