Design Considerations For IR Staring-Mode Cameras

F . D. Shepherd; J. M. Mooney

doi:10.1117/12.940143

24 April 1987 Design Considerations For IR Staring-Mode Cameras

F . D. Shepherd, J. M. Mooney

Proceedings Volume 0762, Electro-Optical Imaging Systems Integration; (1987) https://doi.org/10.1117/12.940143
Event: OE LASE'87 and EO Imaging Symposium, 1987, Los Angeles, CA, United States

Abstract

The noise considerations in staring-mode cameras are different in many respects from those of scanning mode cameras. In this paper some of the features which distinguish staring from scanning mode operation are investigated, and discussed in terms of camera design. A graphical method for predicting camera performance is described and utilized to analyze several hypothetical cameras. The limitations of post processing algorithms used to reduce focal plane array non-uniformity are discussed. The effects of both variations in spectral response and variations in the nonlinearities of the detectors across the array on the post processing algorithms is discussed, and ways of reducing their impact on the image quality are presented. Finally, comparisons are made between cameras operating in different spectral bands with different quantum efficiencies, with the conclusion that, unlike scanning mode cameras, increasing the detector quantum efficiency does not necessarily increase the sensitivity of the cameras.

Citation Download Citation

F . D. Shepherd and J. M. Mooney "Design Considerations For IR Staring-Mode Cameras", Proc. SPIE 0762, Electro-Optical Imaging Systems Integration, (24 April 1987); https://doi.org/10.1117/12.940143

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