SQUID Detectors for Non-destructive Evaluation in Industry

被引:0
|
作者
Nawrocki, W. [1 ]
机构
[1] Poznan Univ Tech, Fac Elect & Telecommun, Ul Piotrowo 3, PL-60965 Poznan, Poland
来源
关键词
DC SQUID;
D O I
10.1007/978-94-017-7593-9_17
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
This review paper describes DC-SQUID detectors and SQUID measurement systems used for non-destructive evaluation of materials. Extremely sensitive detectors of magnetic flux, SQUIDs can be used as preamplifiers in setups for measuring many physical quantities. DC-SQUIDs have better energy resolution epsilon and lower noise level Phi(r) than RF-SQUIDs. Both parameters are discussed in this paper. The best DC-SQUIDs have an energy resolution as good as 0.5h (where h is Planck's constant). SQUID measurement systems are used not only for material testing and inspection in industry but also in biomagnetic studies (especially in medicine), in geology, military tasks, thermometry and many other fields.
引用
收藏
页码:215 / 225
页数:11
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