Thin-film cryogenic current comparator

Heikki Seppä; Alexandre Satrapinski; Mikko Kiviranta; V. Virkki

doi:10.1109/19.769602

Thin-film cryogenic current comparator

Heikki Seppä^*
, Alexandre Satrapinski
, Mikko Kiviranta
, V. Virkki

^*Corresponding author for this work

Centre for Metrology and Accreditation Finland (MIKES)

Research output: Contribution to journal › Article › Scientific › peer-review

8 Citations (Scopus)

Abstract

We analyze a thin-film cryogenic current comparator (CCC) intended to be used in ac measurements. Our analysis shows that by calibrating the dc ratio error of the thin-film CCC against a conventional CCC, it can be used up to 10 kHz as a sensitive and highly accurate current comparator. We have fabricated a practical 1:1 planar CCC integrated with a low-noise SQUID magnetometer. The preliminary experiments obtained from the 1:1 comparator are described.

Original language	English
Pages (from-to)	365-369
Journal	IEEE Transactions on Instrumentation and Measurement
Volume	48
Issue number	2
DOIs	https://doi.org/10.1109/19.769602
Publication status	Published - 2002
MoE publication type	A1 Journal article-refereed

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title = "Thin-film cryogenic current comparator",

abstract = "We analyze a thin-film cryogenic current comparator (CCC) intended to be used in ac measurements. Our analysis shows that by calibrating the dc ratio error of the thin-film CCC against a conventional CCC, it can be used up to 10 kHz as a sensitive and highly accurate current comparator. We have fabricated a practical 1:1 planar CCC integrated with a low-noise SQUID magnetometer. The preliminary experiments obtained from the 1:1 comparator are described.",

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AU - Seppä, Heikki

AU - Satrapinski, Alexandre

AU - Kiviranta, Mikko

AU - Virkki, V.

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Y1 - 2002

N2 - We analyze a thin-film cryogenic current comparator (CCC) intended to be used in ac measurements. Our analysis shows that by calibrating the dc ratio error of the thin-film CCC against a conventional CCC, it can be used up to 10 kHz as a sensitive and highly accurate current comparator. We have fabricated a practical 1:1 planar CCC integrated with a low-noise SQUID magnetometer. The preliminary experiments obtained from the 1:1 comparator are described.

AB - We analyze a thin-film cryogenic current comparator (CCC) intended to be used in ac measurements. Our analysis shows that by calibrating the dc ratio error of the thin-film CCC against a conventional CCC, it can be used up to 10 kHz as a sensitive and highly accurate current comparator. We have fabricated a practical 1:1 planar CCC integrated with a low-noise SQUID magnetometer. The preliminary experiments obtained from the 1:1 comparator are described.

U2 - 10.1109/19.769602

DO - 10.1109/19.769602

M3 - Article

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VL - 48

SP - 365

EP - 369

JO - IEEE Transactions on Instrumentation and Measurement

JF - IEEE Transactions on Instrumentation and Measurement

IS - 2

ER -

Thin-film cryogenic current comparator

Abstract

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