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Modelling Dielectric Resonators

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Temperature and Frequency Dependence of Complex Permittivity in Metal Oxide Dielectrics: Theory, Modelling and Measurement

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Abstract

There are many techniques available for characterising the complex permittivity of microwave dielectric ceramics as functions of temperature and frequency. For materials with modest dielectric loss (\(\tan \delta > 10^{-3}\)) broadband transmission line measurements can yield the complex permittivity with reasonable accuracy over a wide frequency range. However, for very low loss dielectrics (\(\tan \delta < 10^{-4}\)) such as the ones studied here, a dielectric resonator technique is required. A dielectric resonator consists of a cylindrical dielectric sample mounted upon a low-loss, low-permittivity support such as quartz or polystyrene, housed within a conducting metallic cylindrical cavity.

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Authors and Affiliations

  1. Imperial College London, London, UK

    Jonathan Breeze

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  1. Jonathan Breeze
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Correspondence to Jonathan Breeze .

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Breeze, J. (2016). Modelling Dielectric Resonators. In: Temperature and Frequency Dependence of Complex Permittivity in Metal Oxide Dielectrics: Theory, Modelling and Measurement. Springer Theses. Springer, Cham. https://doi.org/10.1007/978-3-319-44547-2_2

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