A high-performance hybrid pulse tube cryocooler that uses a dual-opposed gas bearing piston, dual ambient displacer for phase shifting and recovering acoustic power.It combines the advantags of both pulse tube cryocoolers and Stirling cryocoolers and leads to a cryocooler with high reliability, high efficiency and low vibration at the cold head. This product is mainly designed for sensors in measuring instruments that require a low-temperature environment and can also be used in small scale gas liquefaction applications.