Circular dichroism in planar extrinsic chirality metamaterial at oblique incident beam

Seoungjun Lee, Zengbo Wang, Cheng Feng, Jiao Jiao, Ashfaq Khan, Lin Li

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Abstract

We present a two dimensional planar extrinsic chirality metamaterial (2D-ECM) design that has strong circular dichroism (CD) in the visible spectrum range rather than usual near-infrared and terahertz range. The 2D-ECM is theoretically investigated by incident beam angles and meta-molecules unit sizes in visible spectrums. Physical mechanism was illustrated in figures of vector directions in electric field. © 2013 Elsevier B.V.
Original languageEnglish
Pages (from-to)201-204
Number of pages3
JournalOptics Communications
Volume309
DOIs
Publication statusPublished - 2013

Keywords

  • Chirality
  • Circular dichroism
  • Metamaterial
  • Visible wavelength

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