In that case you can build your very own pulse tube cryocooler, as [Hyperspace Pirate] is in the process of doing over at YouTube. You can catch part 1 using a linear motor and part 2 using a ...
The CryoTel® cryocoolers are designed to be versatile and adaptable. Sunpower started developing compact Stirling cryocooler products in the late 1980s. One of the early models, the M77 ...