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Proceedings Paper

A linear drive cryocooler for ultra-small infrared sensor systems
Author(s): Dick Rawlings; Graham Averitt
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Paper 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.

Paper Details

Date Published: 24 June 2014
PDF: 10 pages
Proc. SPIE 9070, Infrared Technology and Applications XL, 90702R (24 June 2014); doi: 10.1117/12.2056522
Show Author Affiliations
Dick Rawlings, DRS Technologies, Inc. (United States)
Graham Averitt, DRS Technologies, Inc. (United States)

Published in SPIE Proceedings Vol. 9070:
Infrared Technology and Applications XL
Bjørn F. Andresen; Gabor F. Fulop; Charles M. Hanson; Paul R. Norton, Editor(s)

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