Title :
Design and realisation of an optimal current sensitive CCC
Author :
Rietveld, G. ; Vargas, L. ; Brons, G.C.S. ; Bouverat, B. ; Flokstra, J. ; Rogalla, H. ; Sese, J. ; Camon, Agustin ; Rillo, C. ; Jaszczuk, W. ; Altenburg, H.
Author_Institution :
NMi Van Swinden Lab., Delft, Netherlands
Abstract :
We have designed and constructed a dedicated cryogenic current comparator (CCC) for the measurement of very small currents. The essential element of the system is a home-made SQUID with input inductance equal to that of the CCC overlapping shield (which we use as pick-up coil).
Keywords :
SQUID magnetometers; current comparators; electric current measurement; measurement standards; comparator design; cryogenic current comparator; current noise; home-made SQUID; input inductance; optimal current sensitive; overlapping shield; pick-up coil; self-inductance; single electron tunnelling device currents; very small currents measurement; Cryogenics; Current measurement; Energy resolution; Inductance; Laboratories; Magnetic flux; Magnetic shielding; SQUIDs; Superconducting coils; Superconducting device noise;
Conference_Titel :
Precision Electromagnetic Measurements Digest, 1998 Conference on
Conference_Location :
Washington, DC, USA
Print_ISBN :
0-7803-5018-9
DOI :
10.1109/CPEM.1998.699837