He-3/He-4 dilution refrigerator precooled by Gifford-McMahon refrigerator

被引：25
作者：
Uhlig, K
Hehn, W
机构：
[1] Walther-Meissner-Inst. T., Bayerischen Akad. der Wissenschaften, D-85748 Garching
来源：
CRYOGENICS | 1997年 / 37卷 / 05期
关键词：
He-3/He-4 dilution refrigerator; Gifford-McMahon refrigerator; vibration isolation;
D O I：
10.1016/S0011-2275(97)00026-X
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
We describe a He-3/He-4 dilution refrigerator with a commercial two-stage Gifford-McMahon closed cycle refrigerator cooling the dilution unit instead of a dewar with liquid helium. The vibrations of the cold head of the closed cycle refrigerator are effectively decoupled from the dilution unit by a soft connecting element which is described in the paper. The lowest temperature of the dilution refrigerator was 15 mK at a He-3 flow rate of 1.1 x 10(-4) mol s(-1). (C) 1997 Elsevier Science Ltd.
引用
收藏
页码：279 / 282
页数：4
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