Infrared Imaging Sensors For Long-Range Target Recognition

D. N. Pocock; C. A. Luke

doi:10.1117/12.939870

20 September 1987 Infrared Imaging Sensors For Long-Range Target Recognition

D. N. Pocock, C. A. Luke

Proceedings Volume 0750, Infrared Systems and Components; (1987) https://doi.org/10.1117/12.939870
Event: OE LASE'87 and EO Imaging Symposium, 1987, Los Angeles, CA, United States

Abstract

Infrared imaging sensors are required to provide visual target recognition at night. The potential exists for converting present day-only imaging sensors to day/night by replacing the vidicons or silicon charge-coupled devices with an infrared staring focal plane array. The analyses show that twice the recognition range can be obtained with a 3 to 5 micron sensor as compared to an 8 to 12 micron sensor for an aperture-limited system. This paper describes the performance of antiaircraft fire-control imaging sensors based on a staring 128 x 128-element indium antimonide detector array operating in the 3 to 5 micron Medium Wavelength IR band. With a 4.5 inch diameter clear aperture telescope, head-on recognition of fighter-size aircraft (for example, Foxbat) is predicted to be as far as 16 nautical miles, with detection at over 100 nautical miles. A laboratory sensor has been used to accumulate nighttime imagery of commercial aircraft at 8 to 15 mile ranges.* The results are presented in a short video tape in which the aircraft can be easily recognized.

Citation Download Citation

D. N. Pocock and C. A. Luke "Infrared Imaging Sensors For Long-Range Target Recognition", Proc. SPIE 0750, Infrared Systems and Components, (20 September 1987); https://doi.org/10.1117/12.939870

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