SQUID-based high-resolution thermometer

被引：3

作者：

Chui, TCP ^{[1
]}

机构：

[1] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

来源：

CRYOGENICS | 2001年 / 41卷 / 5-6期

基金：

美国国家航空航天局;

关键词：

SQUID; high-resolution thermometer; fluctuations;

D O I：

10.1016/S0011-2275(01)00111-4

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

High-resolution thermometers (HRTs) based on the detection of magnetization changes of a magnetic material using very sensitive superconducting quantum interference device (SQUID) have routinely achieved temperature resolution of 0.1 nK/root Hz at temperatures below 4 K in several laboratories. The resolution of these thermometers has reached the fundamental limit imposed by thermodynamic fluctuations. The principle of operation as well as the theory of the noise are presented. Some recent discoveries using HRT are discussed. (C) 2001 Elsevier Science Ltd. All rights reserved.

引用

页码：407 / 414

页数：8