24 August 1988 Diffraction Effects On Infrared-System Performance
Author Affiliations +
Abstract
Traditionally, infrared-system-performance evaluation techniques have relied on detected signal-to-noise analysis for a single element of the scene. This approach includes the imaging-optical system; however, the geometrical optics effects have been deemed sufficient to describe the contributions of the optical system. The diffraction-based image-forming theory generally in use in the visible wavelength region is applied to the infrared system to assess its performance. The theory of incoherent image formation is applied to self-radiating bodies that have the wavelength-dependent radiance of a Planckian radiator. Within the traditional approximations in use in the infrared system design, a closed-form solution is obtained for the detected incidence. It is shown that the detected incidence may be expressed in terms of effective radiance, the only term included in the traditional infrared system design, and a correction term which is introduced by the diffraction effects.
© (1988) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Marija S. Scholl, James W. Scholl, "Diffraction Effects On Infrared-System Performance", Proc. SPIE 0933, Multispectral Image Processing and Enhancement, (24 August 1988); doi: 10.1117/12.968460; https://doi.org/10.1117/12.968460
PROCEEDINGS
12 PAGES


SHARE
RELATED CONTENT

Design of dual band imaging system for space debris
Proceedings of SPIE (August 06 2014)
Supervisering system by infrared/visible image
Proceedings of SPIE (December 01 1990)
The effect of fill factor of infrared FPA sensor on...
Proceedings of SPIE (January 10 2005)
Japanese Advanced Meteorological Imager
Proceedings of SPIE (January 05 2005)
Interpolator for infrared images
Proceedings of SPIE (November 01 1993)

Back to Top