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Ultrathin pancharatnam-berry metasurface with maximal cross-polarization efficiency

  • Xumin Ding
  • , Francesco Monticone
  • , Kuang Zhang*
  • , Lei Zhang
  • , Dongliang Gao
  • , Shah Nawaz Burokur
  • , Andre De Lustrac
  • , Qun Wu
  • , Cheng Wei Qiu
  • , Andrea AlùProf
  • *Corresponding author for this work
  • University of Texas at Austin
  • National University of Singapore
  • CNRS
  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

(Figure Presented) Novel ultrathin dual-functional metalenses are proposed, fabricated, tested, and verified in the microwave regime for the first time. The significance is that their anomalous transmission efficiency almost reaches the theoretical limit of 25%, showing a remarkable improvement compared with earlier ultrathin metasurface designs with less than 5% coupling efficiency. The planar metalens proposed empowers significant reduction in thickness, versatile focusing behavior, and high transmission efficiency simultaneously.

Original languageEnglish
Pages (from-to)1195-1200
Number of pages6
JournalAdvanced Materials
Volume27
Issue number7
DOIs
StatePublished - 18 Feb 2015

Keywords

  • Metasurface
  • Microwave
  • Phase discontinuity
  • Polarization

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