This paper summarizes the optical design of a large aperture telescope for near IR imaging onto a linear array of detectors. System performance is described in relative terms because specific data relating absolute performance characteristics is classified.
Robert R. Altenhof,
"The Design Of A Large Aperture Infrared Optical System", Proc. SPIE 0062, Modern Utilization of Infrared Technology I, (20 January 1976); doi: 10.1117/12.954442; https://doi.org/10.1117/12.954442