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Color filter arrays based on dielectric metasurface elements

  • Jonas Berzins
  • , Fabrizio Silvestri
  • , Giampiero Gerini
  • , Frank Setzpfandt
  • , Thomas Pertsch
  • , Stefan M.B. Bäumer

Onderzoeksoutput: Hoofdstuk in Boek/Rapport/CongresprocedureConferentiebijdrageAcademicpeer review

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Samenvatting

Digital imaging has been steadily improving over the past decades and we are moving towards a wide use of multi- and hyperspectral cameras. A key component of such imaging systems are color filter arrays, which define the spectrum of light detected by each camera pixel. Hence, it is essential to develop a variable, robust and scalable way for controlling the transmission of light. Nanostructured surfaces, also known as metasurfaces, offer a promising solution as their transmission spectra can be controlled by shaping the wavelength-dependent scattering properties of their constituting elements. Here we present, metasurfaces based on silicon nanodisks, which provide filter functions with amplitudes reaching 70-90% of transmission, and well suitable for RGB and CMY color filter arrays, the initial stage towards the further development of hyperspectral filters. We suggest and discuss possible ways to expand the color gamut and improve the color values of such optical filters.

Originele taal-2Engels
TitelMetamaterials XI
RedacteurenAllan D. Boardman, Anatoly V. Zayats, Kevin F. MacDonald
UitgeverijSPIE
Aantal pagina's11
ISBN van elektronische versie9781510618688
DOI's
StatusGepubliceerd - 1 jan. 2018
EvenementMetamaterials XI 2018 - Strasbourg, Frankrijk
Duur: 23 apr. 201826 apr. 2018

Publicatie series

NaamProceedings of SPIE
Volume10671

Congres

CongresMetamaterials XI 2018
Land/RegioFrankrijk
StadStrasbourg
Periode23/04/1826/04/18

Financiering

This project has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement No 675745 and by the German Federal Ministry of Education and Research within the Zwanzig20 consortium 3D sensation (FKZ 03ZZ0434) and with the project “astrooptics” (FKZ 03Z1H534). The authors acknowledge helpful discussions with Isabelle Staude and Stefan Fasold.

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