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31 August 1993 Adaptive infrared forest-fire sensor
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Airborne infrared fire location can be used to augment other techniques for the detection of small, incipient forest fires. Described here is a new real-time spatial/spectral scanner concept, the Adaptive Infrared Forest Fire Sensor, which employs an acousto-optical tunable filter (AOTF), an indium antimonide or similar array detector, and a steerable scan mirror to enhance the probability of detecting small wildfires and to reduce the rate of false alarms caused by variations in the forest scene, atmosphere, and sun position. Rapid switching of the wavelength of operation in response to the received signal permits the scanner system to optimize the spectral information about a particular spatial location. Measurements on a laboratory prototype system are in progress to verify the salient features of the design concept.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Paul J. Thomas, Allan Bernard Hollinger, and Rudolph H. Wiens "Adaptive infrared forest-fire sensor", Proc. SPIE 1969, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing IV, (31 August 1993);

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