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Persistent URL	http://purl.org/net/epubs/work/54942
Record Status	Checked
Record Id	54942
Title	Cryogen-free cryostat for neutron scattering sample environment
Contributors	CR Chapman (STFC Rutherford Appleton Lab.), BE Evans (STFC Rutherford Appleton Lab.), MP Dudman (STFC Rutherford Appleton Lab.), J Keeping (STFC Rutherford Appleton Lab.), RBE Down (STFC Rutherford Appleton Lab.), O Kirichek (STFC Rutherford Appleton Lab.), ZA Bowden (STFC Rutherford Appleton Lab.)
Abstract	Today all advanced neutron facilities maintain a fleet of Orange cryostats, or similar systems, to provide low temperature sample environment in neutron scattering experiments. However recent liquid helium cost increases, caused by global helium supply problems, have raised significant concern about the affordability of such cryostats. The ISIS facility is carrying out a development programme intended to substitute conventional cryostats with cryogen free systems preferably based on pulse tube refrigerators. The main aim of the development is to create a cryogen-free system as a potential replacement for the conventional Orange cryostat. This paper describes the design and test results of a cryogen-free cryostat, based on a pulse tube refrigerator, with 50 mm diameter top-loading sample facilities for neutron scattering experiments. The sample temperature range is 1.45 - 300 K in the continuous flow regime. The cryostat may also be used with ultra-low temperature dilution refrigerator inserts.
Organisation	ISIS , ISIS , STFC
Keywords	Engineering , Pulse tube , Cryostats , ISIS 2011
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Language	English (EN)

Type	Details	URI(s)	Local file(s)	Year
Journal Article	Cryogenics 51, no. 3 (2011): 146-149.	doi:10.1016/j.cryogenics.2011.01.003		2011