Wideband Dielectric Characterization Using a Dielectric Filled Cavity Adapted to the End of a Transmission Line

Mohammad A. Saed, Sedki M. Riad, William A. Davis

Research output: Contribution to journalArticle

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Abstract

In this paper, the concept, analysis, and testing of a new technique for characterizing dielectric materials over a wide band of frequencies are presented. The technique utilizes a cylindrical cavity completely filled with a sample of the dielectric material under test and adapted to the end of a precision air line. The complex permittivity of the filling dielectric is derived from the measured reflection coefficient. This technique offers great advantages over conventional methods where the sample is placed in a resonant cavity or inserted in a transmission line.

Original languageEnglish
Pages (from-to)485-491
Number of pages7
JournalIEEE Transactions on Instrumentation and Measurement
Volume39
Issue number3
DOIs
StatePublished - Jun 1990

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