Optimum design of Yagi-Uda antenna for millimeter-wave imaging

Kazuhiro Uehara, Hiroshi Nishimura, Takeshi Yonekura

Research output: Contribution to journalArticle

Abstract

A millimeter-wave imaging array is proposed in which many Yagi-Uda antennas are placed on a dielectric lens. By changing the dimensions of these antenna, the impedance matching with the detector is optimized. At the same time, a radiation pattern matched to the incident beam from the focusing optics is realized. The crosstalk between the adjacent detectors on the array is measured. An optimum spacing is derived and a good imaging property is realized. The present imaging is suitable for MMIC and is applied in practice for plasma measurement for unclear fusion research.

Original languageEnglish
Pages (from-to)472-479
Number of pages8
JournalElectronics and Communications in Japan, Part I: Communications (English translation of Denshi Tsushin Gakkai Ronbunshi)
Volume76
Issue number4
Publication statusPublished - Apr 1993
Externally publishedYes

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Millimeter waves
Antennas
Imaging techniques
Detectors
Monolithic microwave integrated circuits
Crosstalk
Lenses
Optics
Fusion reactions
Plasmas
Optimum design

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

Cite this

Optimum design of Yagi-Uda antenna for millimeter-wave imaging. / Uehara, Kazuhiro; Nishimura, Hiroshi; Yonekura, Takeshi.

In: Electronics and Communications in Japan, Part I: Communications (English translation of Denshi Tsushin Gakkai Ronbunshi), Vol. 76, No. 4, 04.1993, p. 472-479.

Research output: Contribution to journalArticle

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