A DC SQUID FOR USE BELOW 1-K

被引:9
作者
GENG, ZK
ADAMS, PW
HAMILTON, WO
JOHNSON, WW
SOLOMONSON, ND
机构
[1] Department of Physics and Astronomy, Louisiana State University, Baton Rouge
关键词
D O I
10.1063/1.1144086
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
For detection of weak signals, and for use on ultralow temperature experiments, it would be useful to have a robust superconducting quantum interference device (SQUID) amplifier that works below 1 K. We report on a test of a commercial SQUID amplifier that has lower noise than others we have tested, and works well while attached to a 50-mK chamber. The SQUID noise was improved only modestly when cooled from 4 K to 50 mK. The best energy resolution measured was 2200 HBAR.
引用
收藏
页码:1319 / 1323
页数:5
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