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24 April 1980 Forward-Looking Infrared (FLIR) Sensor For Autonomous Vehicles
Stephen R. King, Arlyn E. Asch
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A compact, lightweight, reliable, high performance Mini-FLIR designed for autonomous operation will be described. The heart of the unit is the scanner which includes the mechanical raster scanner, the detector array, and the electronics. The basic scanner unit is a cylinder 4 inches in diameter by 5 inches long, weighing only 3.5 lb. (1.59 Kg). It operates in the 8 to 12 pm spectral region and has a field of view (FOV) of 30 by 40 degrees. It can be combined with different optical systems to provide a wide range of capability for a variety of military and commercial applications. Mechanical scanning of the FOV is accomplished with a 525-line raster at a field/frame rate of 60/30 per second. Serial scan techniques are employed, using two multi-element arrays of mercury cadmium telluride (HgCdTe) detectors, with the two arrays time=-hared and combined through an acoustic delay line. The number of detectors can be chosen for the degree of sensitivity required. Thermal compensation of the optical system is provided to maintain the FLIR in focus over a wide temperature range. Pictures of the Mini-FLIR as packaged with multiple FOV optics for remotely piloted vehicle (RPV) and missile seeker applications will be presented.
© (1980) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Stephen R. King and Arlyn E. Asch "Forward-Looking Infrared (FLIR) Sensor For Autonomous Vehicles", Proc. SPIE 0219, Electro-Optical Technology for Autonomous Vehicles, (24 April 1980);

Forward looking infrared




Mercury cadmium telluride

Detector arrays

Infrared sensors


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