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21 October 1996 Camera equation for an optical system with an on-axis obscuration
Gonzalo Paez-Padilla, Marija S. Scholl
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Proceedings Volume 2817, Infrared Spaceborne Remote Sensing IV; (1996) https://doi.org/10.1117/12.255192
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States
Abstract
The on-axis image plane incidence of an extended object (sometime also called irradiance), radiating as a Lambertian radiator, is derived for an optical system with a central obscuration. It is then extended to off-axis image points to obtain a generalized form of image incidence for an extended source. For an object at infinity, under the assumptions of paraxial image formation, the newly derived expression reduces to that used traditionally in the radiometric system design.
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Gonzalo Paez-Padilla and Marija S. Scholl "Camera equation for an optical system with an on-axis obscuration", Proc. SPIE 2817, Infrared Spaceborne Remote Sensing IV, (21 October 1996); https://doi.org/10.1117/12.255192
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KEYWORDS
Solids
Cameras
Radiometry
Image transmission
Optical components
Image acquisition
Imaging systems
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