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28 April 2010 Performance analysis of a high-resolution wide-angle foveated optical system
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Optical foveated imaging using liquid crystal spatial light modulators has received considerable attention in the recent years as a potential approach to reducing size and complexity in wide-angle lenses for high-resolution foveated imaging. In this paper we propose a very compact design for an F/2.8 visible monochromatic foveated optical system covering a total field-of-view of 80 degrees and capable of achieving a resolution in excess of 100 MPixels. The diffraction efficiency and image quality of the foveated optical system are estimated. The foveated optical system is compared to equivalent conventional wide-angle lenses in terms of size, complexity and image quality. Fabrication and assembly tolerances as well as limitations of the current transmissive LC SLM technology are taken into consideration.
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George Curatu and James E. Harvey "Performance analysis of a high-resolution wide-angle foveated optical system", Proc. SPIE 7682, Photonic Microdevices/Microstructures for Sensing II, 76820O (28 April 2010);


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