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Magnetic probes for small‐signal detection in a large background field

 

作者: Xing Chen,  

 

期刊: Review of Scientific Instruments  （AIP Available online 1988）
卷期: Volume 59, issue 4  

页码: 616-618

 

ISSN:0034-6748

 

年代: 1988

 

DOI:10.1063/1.1139843

 

出版商: AIP

 

数据来源: AIP

 

摘要:

High‐precision Hall probes and B‐dot probes are described. These probes are designed to measure magnetic field changes of a few gauss on a time scale of 2–3 s in a 5‐kG background field. A digital, drift‐free sample‐and‐hold circuit is used with the Hall probe to subtract the vacuum field.

 

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