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Accurate determination of dielectric properties in small, high-permittivity dielectric cylinders
- Publication Year :
- 2022
-
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.<br />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.<br />Peer Reviewed<br />Postprint (author's final draft)
Details
- Database :
- OAIster
- Notes :
- 4 p., application/pdf, English
- Publication Type :
- Electronic Resource
- Accession number :
- edsoai.on1379092661
- Document Type :
- Electronic Resource