Methodology for rapid infrared multispectral electro-optical imaging system performance analysis and synthesis

Bradly J. Cooke; Bryan E. Laubscher; Christoph C. Borel; Terrence S. Lomheim; Christopher F. Klein

doi:10.1117/12.241949

10 June 1996 Methodology for rapid infrared multispectral electro-optical imaging system performance analysis and synthesis

Bradly J. Cooke, Bryan E. Laubscher, Christoph C. Borel, Terrence S. Lomheim, Christopher F. Klein

Author Affiliations +

Proceedings Volume 2743, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing VII; (1996) https://doi.org/10.1117/12.241949
Event: Aerospace/Defense Sensing and Controls, 1996, Orlando, FL, United States

Abstract

An analysis methodology and corresponding analytical tools for rapid top-down design of multi-spectral imaging systems is presented. Beginning with top- level customer-dictated system performance requirements and constraints, the critical system and component parameters in the electro-optical image chain are derived, performance analyzed, and iterated until a preliminary design that meets customer requirements is generated. System parameters and components composing the image chain for staring, scanning, pushbroom, and time-delay and integrate systems include: aperture, focal length, field of view, cold shield requirements, image plane dimensions, pixel dimensions, pixel pitch and fill factor, detection quantum efficiency, optical filter requirements, image plane dimensions, pixel dimensions, pixel pitch and fill factor, detection quantum efficiency, optical filter requirements, and temporal sampling parameters. The performance analysis is accomplished by calculating the imaging system's optical response (to a scene radiance), total noise, and imaging resolution. The noise components include photon noise due to signal, scene and atmospheric background, cold shield, out-of-band optical filter leakage and electronic noise. System resolution is simulated through cascaded optical transfer functions (OTF's) and includes effects due to atmosphere, optics, image sampling, and system motion.

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Bradly J. Cooke, Bryan E. Laubscher, Christoph C. Borel, Terrence S. Lomheim, and Christopher F. Klein "Methodology for rapid infrared multispectral electro-optical imaging system performance analysis and synthesis", Proc. SPIE 2743, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing VII, (10 June 1996); https://doi.org/10.1117/12.241949

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