Simple procedure for robust and accurate complex permittivity measurements of low-loss materials over a broad frequency band

U.C. Hasar, J.J. Barroso, Y. Kaya, M. Bute and M. Ertugrul

Journal of Electromagnetic Waves and Applications, 2014, vol. 28, issue 8, 903-915

Abstract: In this research paper, we propose a simple procedure for accurate, stable and broadband measurements of complex permittivity of low-loss dielectric samples with considerable lengths. We identify and demonstrate by numerical and analytical analyses the main ill-behaved factor that gives rise to inaccurate peaks for measurements of electrical properties of low-loss samples in the well-known Nicolson–Ross–Weir method. Without using this factor in the expressions and combining better features of the methods available in the literature, the proposed procedure allows highly accurate permittivity measurements over a broad band. We have validated the proposed method by permittivity measurements of a low-loss sample by different methods.

Date: 2014
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DOI: 10.1080/09205071.2014.896227

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