Immersion Effect of Dielectric Lens Radiation Performances Fed with Double Crossed Terahertz Planar Bow-Tie Antenna

Catur Apriono, Farida Ulfah

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The size of a detector is the primary consideration to obtain a high-resolution imaging quality. A THz quasi optic can combine an optical component of a hemispherical dielectric lens and an antenna-based sensor to capture effectively incoming radiation. The use of the hemispherical lens can contribute to sensor size. This paper investigates an immersion technique for dielectric lens size reduction to provide radiation performances of gain and radiation efficiency on the purpose of antenna size miniaturization at Terahertz (THz) frequency. This investigation is using the CST Microwave Studio simulation software. Gain and radiation efficiency show a decreasing pattern as the dielectric thickness increases. The obtained gain is still 30 dB by adding thickness until half of the hemispherical radius once combined with matching layers and 0.6 of the radius once without matching layers. Therefore, a smaller size than a hemispherical structure can still provide excellent radiation performance. This information is useful to design as small as a THz detector to obtain high-resolution imaging.

Original languageEnglish
Title of host publicationProceedings - 2020 IEEE International Conference on Industry 4.0, Artificial Intelligence, and Communications Technology, IAICT 2020
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages138-141
Number of pages4
ISBN (Electronic)9781728193366
DOIs
Publication statusPublished - Jul 2020
Event2020 IEEE International Conference on Industry 4.0, Artificial Intelligence, and Communications Technology, IAICT 2020 - Bali, Indonesia
Duration: 7 Jul 20208 Jul 2020

Publication series

NameProceedings - 2020 IEEE International Conference on Industry 4.0, Artificial Intelligence, and Communications Technology, IAICT 2020

Conference

Conference2020 IEEE International Conference on Industry 4.0, Artificial Intelligence, and Communications Technology, IAICT 2020
CountryIndonesia
CityBali
Period7/07/208/07/20

Keywords

  • dielectric
  • gain
  • immersion
  • lens
  • radiation
  • terahertz

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