A linear drive cryocooler for ultra-small infrared sensor systems

Dick Rawlings; Graham Averitt

doi:10.1117/12.2056522

24 June 2014 A linear drive cryocooler for ultra-small infrared sensor systems

Dick Rawlings, Graham Averitt

Proceedings Volume 9070, Infrared Technology and Applications XL; 90702R (2014) https://doi.org/10.1117/12.2056522
Event: SPIE Defense + Security, 2014, Baltimore, MD, United States

Abstract

In response to continuing requirements for smaller, lighter, and lower power cryocoolers for tactical IR applications, DRS Technologies has developed its smallest linear drive cooler for the micro-Integrated Dewar Cooler Assembly (μIDCA). The entire cooler/Dewar assembly occupies slightly more than 4 cubic inches in a rectangular form that measures about 1-inch by 2-inch by 2-inches. The design goals and constraints are presented and the resulting design is discussed. Operating parameters and testing results are summarized. In addition to the review of the μDCA cryocooler, this paper presents a brief update of long-term reliability and life testing for a variety of DRS’ linear drive cryocoolers. This testing program was initiated in the 1990’s and has demonstrated cooler lifetimes in excess of 50,000 hours.

Citation Download Citation

Dick Rawlings and Graham Averitt "A linear drive cryocooler for ultra-small infrared sensor systems", Proc. SPIE 9070, Infrared Technology and Applications XL, 90702R (24 June 2014); https://doi.org/10.1117/12.2056522

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