descriptionPublicationkeyboard_double_arrow_right Article , Conference object 27 Sep 2022Publisher:IEEEJournal:2022 52nd European Microwave Conference (EuMC)Funded by:EC | DOC-FAM

Authors: Tagdulang, Nikki; Krkotic, Patrick; Díez, A.; Pont Montaner, Montserrat; O'Callaghan Castellà, Juan Manuel;

doi: 10.23919/eumc54642.2022.9924272

handle: 2117/383459

Accurate Determination of Dielectric Properties in Small, High-Permittivity Dielectric Cylinders

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Abstract

We describe a method for performing cryogenic permittivity and loss tangent measurements of small (few mm), high-permittivity dielectric cylinders used in surface impedance measurement of superconductors. We combine the use of sapphire and PTFE supports to hold the dielectric under test and provide good thermal conductivity to the cold head. Additionally, the sapphire support is used to facilitate the measurement of the cavity's metal loss and the assessment of its contribution to the overall resonator loss.

Authors wish to acknowledge the support provided by CERN under Grants FCC-GOV-CC-0072/KE3358 and FCC-GOV-CC-0210/KE4945. NT acknowledges MSCA-COFUND-2016-754397 for the PhD grant.

Peer Reviewed

Related Organizations

Universitat Polite`cnica de Catalunya
Spain
Universitat Politècnica de Catalunya
Spain
Spanish National Research Council
Spain

Keywords

Superconductivity, Permittivity, Microones -- Mesuraments, Microwave measurements, Dielectrics, Dielèctrics, Superconductivitat, Cavity resonators, Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Processament del senyal, Dielectric losses

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