Advanced linear drive cryocoolers at Hughes Aircraft

G. R. Pruitt

doi:10.1117/12.2300240

29 January 1992 Advanced linear drive cryocoolers at Hughes Aircraft

G. R. Pruitt

Proceedings Volume 2075, Passive Sensors; 20750C (1992) https://doi.org/10.1117/12.2300240
Event: Infrared Information Symposia, 1991, Ann Arbor, MI, United States

Abstract

An overview is presented of linear drive cryo- coolers under development at Hughes Aircraft. A family of linear coolers is discussed ranging from miniature linear coolers (designed for man-portable and vehicle mounted systems) to ultra-long life linear coolers designed for spaceborne applications. Performance char- acteristics of these linear coolers are discussed with an emphasis on demonstrated reliability. Results of exten- sive reliability testing on coolers and key components are detailed, demonstrating the life characteristics of these coolers. A discussion is presented on the successful integration of a linear cooler into a system incorporating focal plane array (FPA) detectors. Key performance characteristics of this cooler that contributed to the successful demonstration of this system are delineated. The status of linear cooler technology is sum- marized, indicating that reliability in excess of 4,000 hours MTTF has been demonstrated.

Citation Download Citation

G. R. Pruitt "Advanced linear drive cryocoolers at Hughes Aircraft", Proc. SPIE 2075, Passive Sensors, 20750C (29 January 1992); https://doi.org/10.1117/12.2300240

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