Peter Coyle

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Proceedings of SPIE | 1996

Frank Bowen Lang; Peter Coyle; Paul J. Stabile; John R. Tower; I. Zubalsky; Itzhak Ornstein

The design and performance of a compact, light-weight, low power infrared engine is presented. The 3 - 5 micron MWIR imaging subsystem consists of a Stirling-cooled, 640 (H) by 480 (V) staring PtSi infrared focal plane array (IRFPA) with associated drive and analog video processing electronics. The IR engine provides user-selectable integration time control. This infrared imaging subsystem is designed to be gimbal-mounted, and has been qualified to be operated in minus 10 Celsius to plus 50 Celsius environments. The infrared engine is also designed to meet the requirements of demanding shock and vibration environments.

Infrared Technology XVIII | 1993

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

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.

Proceedings of SPIE | 1992

Thomas S. Villani; Benjamin J. Esposito; Timothy J. Davis; Peter Coyle; Howard L. Feder; Harvey R. Gilmartin; Peter A. Levine; Donald J. Sauer; Frank V. Shallcross; P. L. Demers; P. J. Smalser; John R. Tower

A Stirling cooled 3 - 5 micron camera system has been developed. The camera employs a monolithic 640 X 480 PtSi-MOS focal plane array. The camera system achieves an NEDT equals 0.10 K at 30 Hz frame rate with f/1.5 optics (300 K background). At a spatial frequency of 0.02 cycles/mRAD the vertical and horizontal Minimum Resolvable Temperature are in the range of MRT equals 0.03 K (f/1.5 optics, 300 K background). The MOS focal plane array achieves a resolution of 480 TV lines per picture height independent of background level and position within the frame.

Archive | 1996