| Zugriffsnummer | 52802 |
| Dokumenttyp | Konferenzartikel |
| Peer Review | unbekannt |
| Sprache | Englisch |
| Titel | Comparison of Josephson impedance bridges |
| Autor(in); Institution |
Overney, Frédéric; Eidgenössisches Institut für Metrologie (METAS), Bern, SWITZERLAND
Eichenberger, Ali; Eidgenössisches Institut für Metrologie (METAS), Bern, SWITZERLAND
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| Quelle/Jahr | 2024 Conference on Precision Electromagnetic Measurements (CPEM):(2024), 2 S. |
| ISSN | 2160-0171 (online) ; 0589-1485 (PoD) |
| ISBN | 979-8-3503-6104-9 (online) ; 979-8-3503-6105-6 (PoD) |
| Verlag | Piscataway, NJ: IEEE |
| Konferenzangaben | Conference on Precision Electromagnetic Measurements, Denver, Colo., 08-12, July, 2024, USA |
| Zusammenfassung | The first two impedance bridges based on pulsedriven Josephson voltage standards show the lowest uncertainties among digital bridges even comparable with state-of-the-art bridges using inductive voltage divider. In this paper, we will present the world’s first comparison between these bridges. The observed difference between both systems measuring impedance ratios (C:C and R:R) is 6 nF/F and 6 nΩ/Ω at 1233.15 Hz. Up to 50 kHz, the measurements from both bridges agree within uncertainties, which are still below one part in 10^6 and dominated by cable effects. |
| Themenbereich der Metrologie | Elektrizität und Magnetismus |
| Forschungsprojekt | 18SIB07: GIQS: Graphene Impedance Quantum Standard |
| Förderinformationen (1) |
Förderername: European Commission (EC)
Förderer ID: 0000 0001 2242 8989 Förderer ID Typ: ISNI Förderprogramm: EMPIR 2018 Fundamental Titel der Förderung: 18SIB07: GIQS: Graphene Impedance Quantum Standard Förderungsnummer: 18SIB07 |