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Broadband measurement of high permittivity at millimetre-wave frequencies
PROJECT TITLE :
Broadband measurement of high permittivity at millimetre-wave frequencies
ABSTRACT:
In this Letter, a methodology for the broadband measurement of complicated permittivity employing a quasi-optical technique is presented. Once calibration of the quasi-optical system, the fabric under test is inserted into the system and S-parameters are measured from 220 to 330 GHz using a vector network analyser. An extraction methodology is then applied to calculate the complex permittivity. The permittivity measurements are validated by comparing with a well-established extraction methodology and the comparison shows sensible agreement.
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