Microcryogenic Stirling system with a cooling stage based on the magnetocaloric effect
A microcryogenic system (STS) for cryostatting a matrix photodetector device (MFP) with a classical thermodynamic regenerative Stirling cycle in the first stage and an additional Dy magnetocaloric cooling in the second stage has been developed. The microcryogenic system is designed to cool the "high-temperature" photodetectors based on cadmium mercury tellurides, type II superlattices, XBn structures operating in the temperature range of 110-150 K. The microcryogenic system is designed to improve the efficiency of the cooling process with reduced mass and dimensions.