Design and modeling of a circularly-polarized probe for terahertz near-field measurement

Xuexuan Ruan*, Kung Bo Ng, Chun Kit Wong, Huan Yi, Shi-Wei Qu, Chi Hou Chan

*Corresponding author for this work

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

4 Citations (Scopus)

Abstract

This paper presents a novel circularly-polarized (CP) terahertz (THz) near-field probe based on a pyramidal-shaped TE10 mode rectangular open ended waveguide (OEWG) incorporated with a CP antenna element. The CP antenna element fixture, placed at the tip of the pyramidal OEWG, is realized on a single-layered substrate using standard printed-circuit and plated-through-hole technologies. The designed fixture redistributes the energy of the TE10 mode over the radiating aperture to generate CP radiation. The designed probe is a good candidate for CP near-field measurement in THz frequency range.
Original languageEnglish
Title of host publication2016 IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization, NEMO 2016
PublisherIEEE
ISBN (Print)9781467387620
DOIs
Publication statusPublished - 6 Sept 2016
Event2016 IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization, NEMO 2016 - Beijing, China
Duration: 27 Jul 201629 Jul 2016

Conference

Conference2016 IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization, NEMO 2016
Country/TerritoryChina
CityBeijing
Period27/07/1629/07/16

Research Keywords

  • near-field probe
  • circular polarization
  • spherical scanning

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