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22 July 1998 Resolution issues in InSb focal plane array system design
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Abstract
Developing maximum image performance in an infrared imaging system without exceeding physical design parameters, such as size and weight, leads to system requirements for small and closely spaced detector pixels areas on the focal plane array. Small sensitive areas allow high resolution and close spacing that can result in high spatial sampling rates and the ability to discern objects at long distances. The imaging resolution performance of compact two-dimensional Indium Antimonide (InSb) arrays can be limited by the fact that photo generated carriers can diffuse and be collected by junctions removed from the point of generation. Carrier diffusion can limit resolution in compact sensor packages. This paper quantitatively discusses the effect of carrier diffusion on resolution and the advantages of a reticulated pixel design.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Mike Davis, Mark E. Greiner, John G. Sanders, and James T. Wimmers "Resolution issues in InSb focal plane array system design", Proc. SPIE 3379, Infrared Detectors and Focal Plane Arrays V, (22 July 1998); https://doi.org/10.1117/12.317596
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