A cryopump-operated rotating nuclear demagnetization cryostat for research on superfluid3He

R. H. Salmelin; J. M. Kyynäräinen; M. P. Berglund; J. P. Pekola

doi:10.1007/BF00682269

A cryopump-operated rotating nuclear demagnetization cryostat for research on superfluid³He

R. H. Salmelin^*
, J. M. Kyynäräinen
, M. P. Berglund
, J. P. Pekola

^*Corresponding author for this work

Not published at VTT

Aalto University

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

17 Citations (Scopus)

Abstract

We have constructed a rotating submillikelvin cryostat in which the dilution refrigerator can be operated in a continuous mode using two cryopumps. The⁴He pot is also equipped with similar pumps. The dilution unit is employed to precool a nuclear stage with 32 mol of copper in an 8-T field. In the design, special care was taken to make fast rotations possible. The apparatus is currently used to measure collective mode phenomena in superfluid³He-B.

Original language	English
Pages (from-to)	83-106
Number of pages	24
Journal	Journal of Low Temperature Physics
Volume	76
Issue number	1-2
DOIs	https://doi.org/10.1007/BF00682269
Publication status	Published - Jul 1989
MoE publication type	A1 Journal article-refereed

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10.1007/BF00682269

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abstract = "We have constructed a rotating submillikelvin cryostat in which the dilution refrigerator can be operated in a continuous mode using two cryopumps. The4He pot is also equipped with similar pumps. The dilution unit is employed to precool a nuclear stage with 32 mol of copper in an 8-T field. In the design, special care was taken to make fast rotations possible. The apparatus is currently used to measure collective mode phenomena in superfluid3He-B.",

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AU - Berglund, M. P.

AU - Pekola, J. P.

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AB - We have constructed a rotating submillikelvin cryostat in which the dilution refrigerator can be operated in a continuous mode using two cryopumps. The4He pot is also equipped with similar pumps. The dilution unit is employed to precool a nuclear stage with 32 mol of copper in an 8-T field. In the design, special care was taken to make fast rotations possible. The apparatus is currently used to measure collective mode phenomena in superfluid3He-B.

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A cryopump-operated rotating nuclear demagnetization cryostat for research on superfluid³He

Abstract

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