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Pre-cooling a 3He/4He dilutor module with a sealed closed-cycle continuous cooler

Chase, S T, Brien, T L R, Doyle, S M and Kenny, L C 2019. Pre-cooling a 3He/4He dilutor module with a sealed closed-cycle continuous cooler. IOP Conference Series: Materials Science and Engineering 502 , 012134. 10.1088/1757-899X/502/1/012134

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Abstract

A continuous closed cycle cooler to operate at a base temperature below 300 mK has been successfully designed and tested by Chase Research Cryogenics in collaboration with Cardiff University Astronomical Instrumentation Group. This compact, relatively low-cost unit has temperature and heat load capability of around 200 µW at 340 mK, and 400 µW at 450 mK. Here we discuss the suitability of this unit for precooling a miniature self-contained dilution module to produce a cryogen-free cooling platform capable of achieving a useful cooling power at temperatures of less than 100 mK.

Item Type: Article
Date Type: Published Online
Status: Published
Schools: Physics and Astronomy
Publisher: IOP Publishing: Conference Series / IOP Publishing
ISSN: 1757-8981
Date of First Compliant Deposit: 7 June 2019
Date of Acceptance: 15 April 2019
Last Modified: 11 Jun 2019 09:45
URI: http://orca-mwe.cf.ac.uk/id/eprint/123253

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