Characterization and Validation of the Slim-Form Open-Ended Coaxial Probe for the Dielectric Characterization of Biological Tissues at Millimeter-Wave Frequencies

Amir Mirbeik-Sabzevari, Negar Tavassolian

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

Abstract

This letter provides the calibration and optimization steps required for obtaining wideband millimeter-wave dielectric characteristics of human biological tissues using the commercially available slim-form open-ended coaxial probe. At the first stage, the reflection coefficients measured at the probe's calibration plane are transformed to the reflection coefficients of a desired aperture plane. Then, a rational optimization problem is solved to convert the aperture-plane reflection coefficients to dielectric permittivities. The measurement protocol is verified using three reference liquids and a test liquid representing dielectric characteristics of biological tissues.

Original languageEnglish
Article number8123612
Pages (from-to)85-87
Number of pages3
JournalIEEE Microwave and Wireless Components Letters
Volume28
Issue number1
DOIs
StatePublished - Jan 2018

Keywords

  • Coaxial probe
  • dielectric measurements
  • millimeter-wave measurements

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