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Nonparaxial analysis of continuous self-imaging gratings in oblique illumination

Abstract : Tolerance in angles of continuously self-imaging gratings (CSIGs) is explored. The degradation in angle of the shape of the point-spread function is theoretically investigated and illustrated by simulations and experiments. The formalism presented is inspired by the one used for classical lenses and can be easily generalized to diffraction gratings. It turns out that well-designed CSIGs could be used for scanning optical systems requiring a large field of view.
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Guillaume Druart, Nicolas Guérineau, Riad Haïdar, Jérôme Primot, Pierre Chavel, et al.. Nonparaxial analysis of continuous self-imaging gratings in oblique illumination. Journal of the Optical Society of America. A Optics, Image Science, and Vision, Optical Society of America, 2007, 24 (10), pp.3379-3387. ⟨10.1364/JOSAA.24.003379⟩. ⟨hal-00872939⟩

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