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31 August 1993 Environmental bugs invade EO imaging systems
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Often electro-optical (EO) imaging systems in the thermal infrared (IR) are used for applications for which they were not originally designed. On the flip side, EO imaging systems are touted as applicable for scenarios when the magnitude of the effects of the environment (that can and do occur) have not been adequately characterized. As a result when an imaging system does not perform as expected, there is much pointing of fingers to place blame and discussion of environmental bugs (counterpart to computer bugs) getting into the equipment and fouling up the works. Some examples of these subtle problems that impact the design and use of EO imaging systems in the thermal IR are discussed in this paper, particularly the effects of optical turbulence, path radiance, and field calibration.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Wendell R. Watkins "Environmental bugs invade EO imaging systems", Proc. SPIE 1969, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing IV, (31 August 1993);

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