IR imager engine
The Infrared Engine uses a 640 ¥ 480-pixel PtSi IR focal-plane array mounted in a Stirling-cycle-cooled Dewar, with an f/1.5 baffled cold shield and a cooled optical filter for detecting in the 3- to 5-mm band. The device provides analog video output at RS170 scan rates.
David Sarnoff Research Center,
Princeton, NJ