Please use this identifier to cite or link to this item: https://doi.org/10.1088/2040-8978/15/12/125705
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dc.titleSubwavelength drains designed for mirror-closed dielectric lenses
dc.contributor.authorMa, Y.
dc.contributor.authorWu, T.
dc.contributor.authorOng, C.K.
dc.date.accessioned2014-10-16T09:43:08Z
dc.date.available2014-10-16T09:43:08Z
dc.date.issued2013-12
dc.identifier.citationMa, Y., Wu, T., Ong, C.K. (2013-12). Subwavelength drains designed for mirror-closed dielectric lenses. Journal of Optics (United Kingdom) 15 (12) : -. ScholarBank@NUS Repository. https://doi.org/10.1088/2040-8978/15/12/125705
dc.identifier.issn20408978
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/98109
dc.description.abstractMirror-closed dielectric lenses such as Maxwell's fisheye lens have been recently discussed to have unique light focusing capacity. The key issue for this lens is to make a perfect deep subwavelength drain which is able to absorb the entire wavefronts emitted by the source. In this work the authors proposed two methods to solve this problem and designed small size drains using time reversed scattering and transformation optics. At the image position, deep subwavelength focusing spots were achieved in a closed dielectric-embedded lens by these drains. The transformed drain could work at arbitrary wavelength and polarization. Our results showed the critical role of an attenuating drain in the imaging process of a Maxwell fisheye lens and gave technical approaches for their implementation. The general methods developed here may serve to design other interesting electromagnetic devices. © 2013 IOP Publishing Ltd.
dc.sourceScopus
dc.subjectdielectric lens
dc.subjectgradient index
dc.subjectpassive drain
dc.subjecttransformation optics
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.description.doi10.1088/2040-8978/15/12/125705
dc.description.sourcetitleJournal of Optics (United Kingdom)
dc.description.volume15
dc.description.issue12
dc.description.page-
dc.identifier.isiut000327471600019
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