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H-Band SPDT Waveguide Switch Based on Glide-Symmetric Electromagnetic Bandgap Structures

  • Jorge Martín-Villar*
  • , Martin Petek*
  • , Jorge Tobon Vasquez
  • , Zhongxia Simon He
  • , Francesca Vipiana*
  • *Corresponding author for this work
  • Dept. of Electronics and Telecommunications
  • Polytechnic University of Turin
  • Wavision
  • Sinowave
  • Beijing Institute of Technology (Zhuhai)

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

Abstract

This work presents the design and analysis of a single-pole double-throw (SPDT) waveguide switch implemented using multilayer waveguide (MLW) technology. The proposed fully metallic air-filled structure operates in the H-band (220-330 GHz) and employs a glide-symmetric unit cell acting as an electromagnetic bandgap (EBG) material to suppress leakage and improve manufacturing tolerance. The SPDT enables signal routing between two output branches through a rotating metallic part. The design achieves insertion losses below 2 dB and return losses better than 10 dB across most of the H-band.

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

  • H-band
  • SPDT
  • glide symmetry
  • multilayer waveguide

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