A Helium Cryostat for Investigating the Properties of Massive Solid Resonators with Deep Cooling

A helium cryostat for investigating the properties of massive solid acoustic and optical resonators (of the order of tens of kilograms) for cooling to helium temperatures is modernized and tested. A complete cycle of cooling from room temperature to nitrogen and helium temperatures is carried out. T...

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Bibliographic Details
Published in:Measurement techniques 2015-03, Vol.57 (12), p.1416-1422
Main Authors: Krysanov, V. A., Motylev, A. M., Oreshkin, S. I., Rudenko, V. N.
Format: Article
Language:English
Subjects:
Analytical Chemistry
Characterization and Evaluation of Materials
Measurement Science and Instrumentation
Physical Chemistry
Physics
Physics and Astronomy
Thermal Measurements
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Summary:A helium cryostat for investigating the properties of massive solid acoustic and optical resonators (of the order of tens of kilograms) for cooling to helium temperatures is modernized and tested. A complete cycle of cooling from room temperature to nitrogen and helium temperatures is carried out. The dynamics of the acoustic characteristics of the model of a gravitational detector at different stages of cooling is tracked. The operating parameters of the new cryostat (the heat inflow and the consumption of coolant) are investigated. Optical inputs were mounted for cryogenic investigations of models with cryogenic mirrors.
ISSN:0543-1972
1573-8906
DOI:10.1007/s11018-015-0643-0