Vibration Mitigation for a Cryogen-Free Dilution Refrigerator for the AMoRE-Pilot Experiment

C. Lee, H. S. Jo, C. S. Kang, G. B. Kim, I. Kim, Y. H. Kim, H. J. Lee, J. H. So

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

The Advanced Mo-based Rare process Experiment utilizes a cryogen-free dilution refrigerator to operate its low-temperature detectors. Mechanical vibration originating from its pulse tube refrigerator can affect the detector performance. A mechanical filter system has been installed between the 4K and still plates with eddy current dampers in addition to a spring-loaded damping system previously installed below the mixing chamber plate of the cryostat. The filters significantly mitigated vibrations and improved the detector signals.

Original languageEnglish
Pages (from-to)786-792
Number of pages7
JournalJournal of Low Temperature Physics
Volume193
Issue number5-6
DOIs
StatePublished - 1 Dec 2018

Keywords

  • Calorimeters
  • Cryocoolers
  • Cryogenics
  • Dark matter detectors
  • Double beta decay detectors

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