4K Closed Cycle Cryostat
CCS (Closed Cycle System) refrigerator utilizes the principle of G-M thermodynamic cycle to compress and expand helium. The gas is expanded and cooled in the cold head, and the expanded low-pressure helium gas is returned to the compressor, and the cycle is repeated. The refrigerator consists of two stages, the first stage is used to cool the heat shield around the sample, and the second stage is used to cool the sample.
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