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IJPAP Vol.46(05) [May 2008] >

Title: Cryogen-free low temperature and high magnetic field apparatus
Authors: Kaushik, S D
Singh, Anil K
Srikala, D
Patnaik, S
Keywords: Liquid helium
Gifford-McMahon cycle
Issue Date: May-2008
Publisher: CSIR
Abstract: The importance of low temperature and high magnetic field measurements in pure and applied science research cannot be overstated. Traditionally these experiments have been carried out by evaporation of liquefied helium. This is a costly proposition, especially in our country, where maintaining liquid helium plants and the recovery lines has become persistent predicament. In this paper, the possibility of an alternative cost-effective technology based on two stage Gifford-McMahon closed cycle cryocoolers which is most ideally suited for small groups of researchers has been presented. The principle of operation and instrumentation details of a recently installed single compressor 1.6 K, 8 tesla cryocooler has been described.
Page(s): 334-338
ISSN: 0019-5596
Source:IJPAP Vol.46(05) [May 2008]

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