1:30000 cryogenic current comparator with optimum squid readout


Bartolomé, E. and Sesé, J. and Rietveld, G. and Flokstra, J. and Rillo, C. and Camón, A. and Rogalla, H. (2002) 1:30000 cryogenic current comparator with optimum squid readout. In: Conference on Precision Electromagnetic Measurements, 2002, 16-21, June 2002, Ottawa, Ontario, Canada (pp. pp. 280-281).

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Abstract:We developed a 1:30000 Cryogenic Current Comparator for SET current amplification. A dedicated low-noise, directly-coupled SQUID was used for the readout, which allowed reaching a sensitivity close to ideal. The ratio error was <9×10-9. The CCC-SQUID equivalent current input noise was 3.0 fA/Hz12/, measured down to 0.1 Hz.
Item Type:Conference or Workshop Item
Copyright:© 2002 IEEE
Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/55878
Official URL:https://doi.org/10.1109/CPEM.2002.1034830
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