The Review of High Pressure Science and Technology
Online ISSN : 1348-1940
Print ISSN : 0917-639X
ISSN-L : 0917-639X
Reviews—Future Perspectives of High-Pressure and Low-Temperature Studies—
Realization of Temperature Environment below 1 K Using a Compact GM Refrigerator
Takashi NISHIOKA
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JOURNAL FREE ACCESS

2012 Volume 22 Issue 3 Pages 191-197

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Abstract
  In this article, we describe the method attaining low temperatures below 1 K using a commercial compact GM refrigerator. The main part of this system consists of 4 K plate attached to the second cooling stage of GM refrigerator, 1 K pot and 3He pot, which are covered with three radiation shields attached to the first stage of GM refrigerator, 4 K pot and 1 K pot. The required time to reach temperatures below 1 K is within 6 hours, and temperatures below 0.5 K can be maintained for more than one day by one-shot operation. This system can be applied to terahertz industry as well as low temperature physics.
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© 2012 The Japan Society of High Pressure Science and Technology
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