Indirect comparison of cryogenic radiometers from the INM (France) and the VTT (Finland with a QED-200 from the VSL (Netherlands)

Timo Varpula, O Touayar, H Reyn, J Bastie

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17 Citations (Scopus)

Abstract

This paper gives the results of an indirect comparison of a cryogenic radiometer from the Institut National de Metrologie (INM), France, and from the Technical Research Centre of Finland (VTT) with a QED-200 from the Van Swinden Laboratorium (VSL), the Netherlands. This comparison was performed at a laser wavelength of 543,515 nm (in vacuum) and at a power level of 100 µW. If this QED-200 is assumed to be stable with time, then two cryogenic radiometers of different design have been shown to agree to 3 × 10-5 with an uncertainty 3 × 10-4 at the 1σ level.
Original languageEnglish
Pages (from-to)561-564
JournalMetrologia
Volume32
Issue number6
DOIs
Publication statusPublished - 1995
MoE publication typeA1 Journal article-refereed

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Radiometers
Cryogenics
Vacuum
Wavelength
Lasers
Uncertainty

Cite this

Varpula, Timo ; Touayar, O ; Reyn, H ; Bastie, J. / Indirect comparison of cryogenic radiometers from the INM (France) and the VTT (Finland with a QED-200 from the VSL (Netherlands). In: Metrologia. 1995 ; Vol. 32, No. 6. pp. 561-564.
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Indirect comparison of cryogenic radiometers from the INM (France) and the VTT (Finland with a QED-200 from the VSL (Netherlands). / Varpula, Timo; Touayar, O; Reyn, H; Bastie, J.

In: Metrologia, Vol. 32, No. 6, 1995, p. 561-564.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Touayar, O

AU - Reyn, H

AU - Bastie, J

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N2 - This paper gives the results of an indirect comparison of a cryogenic radiometer from the Institut National de Metrologie (INM), France, and from the Technical Research Centre of Finland (VTT) with a QED-200 from the Van Swinden Laboratorium (VSL), the Netherlands. This comparison was performed at a laser wavelength of 543,515 nm (in vacuum) and at a power level of 100 µW. If this QED-200 is assumed to be stable with time, then two cryogenic radiometers of different design have been shown to agree to 3 × 10-5 with an uncertainty 3 × 10-4 at the 1σ level.

AB - This paper gives the results of an indirect comparison of a cryogenic radiometer from the Institut National de Metrologie (INM), France, and from the Technical Research Centre of Finland (VTT) with a QED-200 from the Van Swinden Laboratorium (VSL), the Netherlands. This comparison was performed at a laser wavelength of 543,515 nm (in vacuum) and at a power level of 100 µW. If this QED-200 is assumed to be stable with time, then two cryogenic radiometers of different design have been shown to agree to 3 × 10-5 with an uncertainty 3 × 10-4 at the 1σ level.

U2 - 10.1088/0026-1394/32/6/32

DO - 10.1088/0026-1394/32/6/32

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