Low-Temperature Thermometry Below 1 K at PTB

被引：4

作者：

Engert, J. ^{[1
]}

Heyer, D. ^{[1
]}

Fischer, J. ^{[1
]}

机构：

[1] Phys Tech Bundesanstalt, D-10587 Berlin, Germany

来源：

TEMPERATURE: ITS MEASUREMENT AND CONTROL IN SCIENCE AND INDUSTRY, VOL 8 | 2013年 / 1552卷

关键词：

temperature scale; PLTS-2000; low-temperature thermometry; PLTS-2000; SCALE; RANGE; MK;

D O I：

10.1063/1.4819528

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Cryogenic technology based on automated cryogen-free refrigerators has made substantial progress during the last decade making low temperatures easily accessible for a much broader community in science and industry. Along with this development there is a reinforced need in traceable thermometry for the cryogenic range. In this paper we give information about the realization, maintenance and dissemination of the PLTS-2000 at PTB. An updated uncertainty budget is presented for the PLTS-2000 applied for practical dissemination. We report on the investigation of dc-SQUID based noise thermometers which can be used as practical thermometers with a broad working range of more than 3 decades in temperature. On a future stage of development, such noise thermometers are intended to be used for solving the discrepancies in the background data of the PLTS-2000 at its lower end below 0.01 K.

引用

页码：136 / 141

页数：6

共 9 条

[1] INCREASING THE AUTHENTICITY OF THE VNIIFTRI MAGNETIC TEMPERATURE SCALE IN THE RANGE ABOVE 0.37 K BY COMPARISON WITH THE INTERNATIONAL PLTS-2000 SCALE [J].