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Novel Air-Filled Multilayer Metal-Plate Phase Shifter

  • Junliang Ou
  • , Peng Wu*
  • , Peng Yue
  • , Yu Ge
  • , Zhongxia Simon He
  • *Corresponding author for this work
  • CAS - Aerospace Information Research Institute
  • School of Electronic
  • University of Chinese Academy of Sciences
  • Chalmers University of Technology
  • Beijing Institute of Technology (Zhuhai)
  • Chalmers Industriteknik

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

A novel millimeter-wave and terahertz phase shifter is proposed and designed with wide bandwidth and low insertion loss. The scheme of the phase shifter is based on length tunable waveguide transmission line. The tunable transmission line is implemented by using electromagnetic band-gap arrays and multilayer thin-metal plates. Movable metal plates in the waveguide are newly introduced to satisfy the transmission line length for the purpose of a certain phase shift. The phase shifter is realized by using eleven thin-metal plates and seven waveguide sections. Simulation results show that the device operates across the 131-170 GHz frequency band, with a reflection coefficient below -17 dB and an insertion loss better than 5.8 dB over the entire bandwidth.

Original languageEnglish
Title of host publication20th European Conference on Antennas and Propagation, EuCAP 2026
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9788831299121
DOIs
Publication statusPublished - 2026
Externally publishedYes
Event20th European Conference on Antennas and Propagation, EuCAP 2026 - Dublin, Ireland
Duration: 19 Apr 2026 → 24 Apr 2026

Publication series

Name20th European Conference on Antennas and Propagation, EuCAP 2026

Conference

Conference20th European Conference on Antennas and Propagation, EuCAP 2026
Country/TerritoryIreland
CityDublin
Period19/04/26 → 24/04/26

Keywords

  • electromagnetic bandgap (EBG)
  • multilayer
  • phase shifter
  • waveguide

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