3He/4He dilution refrigerator with Gifford-McMahon precooling
β Scribed by K. Uhlig; W. Hehn
- Book ID
- 107746465
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 510 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0011-2275
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π SIMILAR VOLUMES
A ZHe/"He dilution refrigerator is described where a commercial two-stage Gifford-McMahon refrigerator (Leybold RGD 210) cools the dilution unit and the radiation shields of the cryostat. This work is a continuation of previously described experiments where a more powerful closed cycle refrigerator
In this paper we describe improvements and changes to a 3 He/ 4 He dilution refrigerator (DR) which is precooled by a Gifford-McMahon (GM) refrigerator instead of a helium bath cryostat. The general layout of this ''dry'' DR has been described in detail before. First we report about the installation