Compact quarter-wave plate metasurface at 1 and 2.2 THz

V Torres, Nuria Sánchez, David Etayo, Rubén Ortuño, Miguel Navarro-Cia, Alejandro Martínez, M. Beruete

Research output: Chapter in Book/Report/Conference proceedingConference contribution


We propose a very compact dual-band quarter-wave plate (QWP) which is inspired on extraordinary transmission subwavelength hole arrays. To control independently orthogonal polarizations, the original square holes are connected with vertical slits and meander lines replace their lateral straight sides. The structure is numerically analyzed and experimentally demonstrated at terahertz frequencies. The metasurface exhibits an experimental fractional bandwidth equal to 16.8% and 2.9% (52.1% and 4.3% in simulation) at 1 THz and 2.2 THz in a structure as compact as 0.13λ and 0.29λ, respectively.
Original languageEnglish
Title of host publication2015 9th European Conference on Antennas and Propagation (EuCAP)
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Number of pages2
Publication statusPublished - 18 May 2015

Publication series

NameProceedings of the European Conference on Antennas and Propagation
ISSN (Print)2164-3342


  • birefringence
  • extraordinary transmission
  • metasurface
  • quarter-wave plate
  • terahertz applications


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