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Persistent URL http://purl.org/net/epubs/work/50279
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Record Id 50279
Title Cryogen free low temperature sample environment for neutron scattering experiments
Abstract Recent increase in liquid helium cost caused by global helium supply problems rose significant concern about affordability of conventional cryogenic equipment. Luckily the progress in cryo-cooler technology offers a new generation of cryogenic systems with significantly reduced consumption and in some cases nearly complete elimination of cryogens. These cryogen-free systems also offer the advantage of operational simplicity and require less space than conventional cryogen-cooled systems. The ISIS facility carries on an internal development program intended to substitute gradually all conventional cryogenic systems with cryogen free systems preferably based on pulse tube refrigerators. A unique feature of this cryo-cooler is the absence of cold moving parts. This considerably reduces vibrations and increases the reliability of the cold head. The program includes few development projects which are aiming to deliver range of cryogen free equipment including top-loading cryostat, superconducting magnets and dilution refrigerators. Here we are going to describe the design of these systems and discuss the results of prototypes testing.
Organisation ISIS , ISIS , STFC
Keywords Physics , sample environment , cryogen free , ISIS 2009
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Language English (EN)
Type Details URI(s) Local file(s) Year
Journal Article J Phys Conf Ser 150 (2009): 012022. 10.1088/1742-6596/150/1/012022 jpconf9_150_012022.pdf 2009
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