640 x 480 MWIR and LWIR camera system developments

John R. Tower; Thomas S. Villani; Benjamin J. Esposito; Harvey R. Gilmartin; Peter A. Levine; Peter J. Coyle; Timothy J. Davis; Frank V. Shallcross; Donald J. Sauer; Dietrich Meyerhofer

doi:10.1117/12.138979

5 January 1993 640 x 480 MWIR and LWIR camera system developments

John R. Tower, Thomas S. Villani, Benjamin J. Esposito, Harvey R. Gilmartin, Peter A. Levine, Peter J. Coyle, Timothy J. Davis, Frank V. Shallcross, Donald J. Sauer, Dietrich Meyerhofer

Author Affiliations +

Proceedings Volume 1762, Infrared Technology XVIII; (1993) https://doi.org/10.1117/12.138979
Event: San Diego '92, 1992, San Diego, CA, United States

Abstract

The performance of a 640 x 480 PtSi, 3,5 microns (MWIR), Stirling cooled camera system with a minimum resolvable temperature of 0.03 is considered. A preliminary specification of a full-TV resolution PtSi radiometer was developed using the measured performance characteristics of the Stirling cooled camera. The radiometer is capable of imaging rapid thermal transients from 25 to 250 C with better than 1 percent temperature resolution. This performance is achieved using the electronic exposure control capability of the MOS focal plane array (FPA). A liquid nitrogen cooled camera with an eight-position filter wheel has been developed using the 640 x 480 PtSi FPA. Low thermal mass packaging for the FPA was developed for Joule-Thomson applications.

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John R. Tower, Thomas S. Villani, Benjamin J. Esposito, Harvey R. Gilmartin, Peter A. Levine, Peter J. Coyle, Timothy J. Davis, Frank V. Shallcross, Donald J. Sauer, and Dietrich Meyerhofer "640 x 480 MWIR and LWIR camera system developments", Proc. SPIE 1762, Infrared Technology XVIII, (5 January 1993); https://doi.org/10.1117/12.138979

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