Design and realization of an optimal current sensitive CCC

Javier Sesé; Gert Rietveld; Agustin Camón; Conrado Rillo; Laura Vargas; G. Christian S. Brons; Martin G.H. Hiddink; Jaap Flokstra; Horst Rogalla; Wieslaw Jaszczuk; Horst Altenburg

doi:10.1109/19.769603

Design and realization of an optimal current sensitive CCC

Javier Sesé, Gert Rietveld, Agustin Camón, Conrado Rillo, Laura Vargas, G. Christian S. Brons, Martin G.H. Hiddink, Jaap Flokstra, Horst Rogalla, Wieslaw Jaszczuk, Horst Altenburg

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Abstract

The sensitivity of an overlapped tube cryogenic current comparator (CCC), coupled to a SQUID by means of a flux transformer, is calculated and compared with measurements. Conditions for optimal coupling between the CCC and the SQUID are derived. Based on these, an optimal CCC for precision measurements of very small currents in the nanoampere range has been designed. The paper describes the construction and testing of some parts of the system. An essential element is a home-made dc SQUID with low current noise and low inductance input coil equal to that of the CCC overlapped shield, which we use as sensing coil.

Original language	English
Pages (from-to)	370-374
Number of pages	5
Journal	IEEE transactions on instrumentation and measurement
Volume	48
Issue number	2
DOIs	https://doi.org/10.1109/19.769603
Publication status	Published - 1999

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title = "Design and realization of an optimal current sensitive CCC",

abstract = "The sensitivity of an overlapped tube cryogenic current comparator (CCC), coupled to a SQUID by means of a flux transformer, is calculated and compared with measurements. Conditions for optimal coupling between the CCC and the SQUID are derived. Based on these, an optimal CCC for precision measurements of very small currents in the nanoampere range has been designed. The paper describes the construction and testing of some parts of the system. An essential element is a home-made dc SQUID with low current noise and low inductance input coil equal to that of the CCC overlapped shield, which we use as sensing coil.",

keywords = "n/a OA procedure",

author = "Javier Ses{\'e} and Gert Rietveld and Agustin Cam{\'o}n and Conrado Rillo and Laura Vargas and Brons, {G. Christian S.} and Hiddink, {Martin G.H.} and Jaap Flokstra and Horst Rogalla and Wieslaw Jaszczuk and Horst Altenburg",

year = "1999",

doi = "10.1109/19.769603",

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journal = "IEEE transactions on instrumentation and measurement",

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T1 - Design and realization of an optimal current sensitive CCC

AU - Sesé, Javier

AU - Rietveld, Gert

AU - Camón, Agustin

AU - Rillo, Conrado

AU - Vargas, Laura

AU - Brons, G. Christian S.

AU - Hiddink, Martin G.H.

AU - Flokstra, Jaap

AU - Rogalla, Horst

AU - Jaszczuk, Wieslaw

AU - Altenburg, Horst

PY - 1999

Y1 - 1999

N2 - The sensitivity of an overlapped tube cryogenic current comparator (CCC), coupled to a SQUID by means of a flux transformer, is calculated and compared with measurements. Conditions for optimal coupling between the CCC and the SQUID are derived. Based on these, an optimal CCC for precision measurements of very small currents in the nanoampere range has been designed. The paper describes the construction and testing of some parts of the system. An essential element is a home-made dc SQUID with low current noise and low inductance input coil equal to that of the CCC overlapped shield, which we use as sensing coil.

AB - The sensitivity of an overlapped tube cryogenic current comparator (CCC), coupled to a SQUID by means of a flux transformer, is calculated and compared with measurements. Conditions for optimal coupling between the CCC and the SQUID are derived. Based on these, an optimal CCC for precision measurements of very small currents in the nanoampere range has been designed. The paper describes the construction and testing of some parts of the system. An essential element is a home-made dc SQUID with low current noise and low inductance input coil equal to that of the CCC overlapped shield, which we use as sensing coil.

KW - n/a OA procedure

U2 - 10.1109/19.769603

DO - 10.1109/19.769603

M3 - Article

SN - 0018-9456

VL - 48

SP - 370

EP - 374

JO - IEEE transactions on instrumentation and measurement

JF - IEEE transactions on instrumentation and measurement

IS - 2

ER -

Design and realization of an optimal current sensitive CCC

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