High numerical aperture all-dielectric metasurface micro-lenses

Fabrizio Silvestri, Giampiero Gerini, Elvira Pisano, V. Galdi

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

1 Citation (Scopus)
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Abstract

In this paper, the design principles and the sensitivity analysis needed for the realization of a high numerical aperture metasurface micro-lens are presented. The metasurface micro-lens is realized defining a surface with spatially-variant dielectric resonators embedded in a dielectric bulk. The designed micro-lens achieves a numerical aperture of 0.86 at the visible wavelength of 635 nm with miniaturized dimensions (total active area on the order of tens of square micrometers). These features makes the design extremely interesting for integrated photonic applications.
Original languageEnglish
Title of host publication2015 IEEE International Symnposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, 19-24 July 2015, Vancouver, British Columbia
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pages1030-1031
DOIs
Publication statusPublished - 2015

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