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Proceedings Paper

Forward-Looking Infrared (FLIR) Sensor For Autonomous Vehicles
Author(s): Stephen R. King; Arlyn E. Asch
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Paper Abstract

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.

Paper Details

Date Published: 24 April 1980
PDF: 3 pages
Proc. SPIE 0219, Electro-Optical Technology for Autonomous Vehicles, (24 April 1980); doi: 10.1117/12.958532
Show Author Affiliations
Stephen R. King, Ford Aerospace & Communications Corporation Aeronutronic Division (United States)
Arlyn E. Asch, Ford Aerospace & Communications Corporation Aeronutronic Division (United States)

Published in SPIE Proceedings Vol. 0219:
Electro-Optical Technology for Autonomous Vehicles
Ronald N. Hubbard, Editor(s)

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