Accurate Determination of the Complex Permittivity of Biological Tissue Around 35 GHz

Abstract

Apparatus is described which enables the complex permittivity of liquids and solid tissue to be measured at a frequency of 35 GHz. The results are presented on various rabbit tissues, including muscle, fat, skin, brain tissues, and eye lens; and some phantom tissue equivalent materials have been devised. Various liquids have been measured, including rabbit blood, water, and saline. The results have been examined for any evidence of an anomalous/resonant behavior, but none was found. Keywords: Microwave, Dielectric properties, Waveguide circuits, Computer programs, Experimental data, Air Force research.

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 1988
Accession Number
ADA202907

Entities

People

  • Rodney J. Sheppard

Organizations

  • King's College London

Tags

Communities of Interest

  • Advanced Electronics
  • Energy and Power Technologies
  • Space

DTIC Thesaurus Topics

  • Accuracy
  • Air Force
  • Alcohols
  • Brushless Dc Motors
  • Cells
  • Circuits
  • Computer Programs
  • Computers
  • Deoxyribonucleic Acids
  • Dielectric Properties
  • Electrical Properties
  • Fungi
  • Measurement
  • Millimeter Waves
  • Short Circuits
  • Transmission Lines
  • Waveguides

Fields of Study

  • Physics

Readers

  • Electromagnetic Wave Scattering and Antenna Radiation Engineering
  • Medical Imaging.