Please use this identifier to cite or link to this item: https://doi.org/10.1002/lpor.201300123
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dc.titleOptimization-free superoscillatory lens using phase and amplitude masks
dc.contributor.authorHuang, K.
dc.contributor.authorYe, H.
dc.contributor.authorTeng, J.
dc.contributor.authorYeo, S.P.
dc.contributor.authorLuk'yanchuk, B.
dc.contributor.authorQiu, C.-W.
dc.date.accessioned2014-10-07T04:34:12Z
dc.date.available2014-10-07T04:34:12Z
dc.date.issued2014-01
dc.identifier.citationHuang, K., Ye, H., Teng, J., Yeo, S.P., Luk'yanchuk, B., Qiu, C.-W. (2014-01). Optimization-free superoscillatory lens using phase and amplitude masks. Laser and Photonics Reviews 8 (1) : 152-157. ScholarBank@NUS Repository. https://doi.org/10.1002/lpor.201300123
dc.identifier.issn18638880
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/82847
dc.description.abstractA superoscillatory focusing lens has been experimentally demonstrated by optimizing Fresnel zone plates (FZP), with limited physical insight as to how the lens feature contributes to the focal formation. It is therefore imperative to establish a generalized viable account for both FZP (amplitude mask) and binary optics (phase mask). Arbitrary superoscillatory spots can now be customized and realized by a realistic optical device, without using optimization. It is counterintuitively found that high spatial frequency with small amplitude and destructive interference are favorable in superfocusing of a superoscillation pattern. The inevitably high sidelobe is pushed 15λ away from the central subwavelength spot, resulting in significantly enlarged field of view for viable imaging applications. This work therefore not only reveals the explicit physical role of any given metallic/dielectric rings but also provides an alternative design roadmap of superresolution imaging. The robust method is readily applicable in superthin longitudinally polarized needle light, quantum physics and information theory. © 2013 by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1002/lpor.201300123
dc.sourceScopus
dc.subjectBinary phase mask
dc.subjectFresnel zone plate
dc.subjectNanostructure
dc.subjectSubwavelength imaging
dc.subjectSuperoscillation
dc.typeArticle
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.description.doi10.1002/lpor.201300123
dc.description.sourcetitleLaser and Photonics Reviews
dc.description.volume8
dc.description.issue1
dc.description.page152-157
dc.identifier.isiut000330596500013
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