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Managing 60 GHz Field Peaking of an Liquid Crystal Enclosed Coplanar Waveguide by Core Edge Shaping

  • Imperial College London

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

Abstract

This work numerically investigates a novel insertion loss mitigation strategy by shaping the core line's edge profile in hexagonal, trapezoidal, and rounded configurations for an enclosed coplanar waveguide filled with liquid crystals as tunable dielectrics. As compared with a right-angled core line, full-wave simulation results show that the optimal hexagonal edge profile with a chopping angle of 7.12° and offset distance of 17\mu m reduces the insertion loss by 0.57 dB at 60 GHz for a 0-\pi phase shifter, while trapezoidal and rounded core edges degrade the forward transmission by 2.59 dB and 0.26 dB, respectively.

Original languageEnglish
Title of host publication2020 Asia-Pacific Microwave Conference, APMC 2020 - Proceeding
EditorsJie Sun, Wai Ho Yu
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages403-405
Number of pages3
ISBN (Electronic)9781728169620
DOIs
Publication statusPublished - 8 Dec 2020
Externally publishedYes
Event2020 Asia-Pacific Microwave Conference, APMC 2020 - Virtual, Hong Kong, Hong Kong
Duration: 8 Dec 2020 → 11 Dec 2020

Publication series

NameAsia-Pacific Microwave Conference Proceedings, APMC
Volume2020-December
ISSN (Electronic)2690-3946

Conference

Conference2020 Asia-Pacific Microwave Conference, APMC 2020
Country/TerritoryHong Kong
CityVirtual, Hong Kong
Period8/12/20 → 11/12/20

Keywords

  • computational electromagnetics
  • electrode profile
  • enclosed coplanar waveguide
  • liquid crystal
  • millimetre wave
  • proximity effect
  • trapezoidal effect

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