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A Magnifying Glass for Virtual Imaging of Subwavelength Resolution by Transformation Optics
KTH, School of Electrical Engineering and Computer Science (EECS), Electromagnetic Engineering.ORCID iD: 0000-0002-3401-1125
2018 (English)In: Advanced Materials, ISSN 0935-9648, E-ISSN 1521-4095, Vol. 30, no 30, article id 1801641Article in journal (Refereed) Published
Abstract [en]

Traditional magnifying glasses can give magnified virtual images with diffraction-limited resolution, that is, detailed information is lost. Here, a novel magnifying glass by transformation optics, referred to as a "superresolution magnifying glass" (SMG) is designed, which can produce magnified virtual images with a predetermined magnification factor and resolve subwavelength details (i.e., light sources with subwavelength distances can be resolved). Based on theoretical calculations and reductions, a metallic plate structure to produce the reduced SMG in microwave frequencies, which gives good performance verified by both numerical simulations and experimental results, is proposed and realized. The function of SMG is to create a superresolution virtual image, unlike traditional superresolution imaging devices that create real images. The proposed SMG will create a new branch of superresolution imaging technology.

Place, publisher, year, edition, pages
2018. Vol. 30, no 30, article id 1801641
National Category
Medical Image Processing
Identifiers
URN: urn:nbn:se:kth:diva-232881DOI: 10.1002/adma.201801641ISI: 000439737700023PubMedID: 29904951Scopus ID: 2-s2.0-85050392005OAI: oai:DiVA.org:kth-232881DiVA, id: diva2:1237681
Note

QC 20180809

Available from: 2018-08-09 Created: 2018-08-09 Last updated: 2018-10-19Bibliographically approved

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