Optical EngineeringRigorous nonparaxial relation for distribution of zones on curved diffractive lenses for stigmatic imaging between two prespecified conjugate points on the axis in finite distances
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Nonparaxial diffractive lenses are without the “spherical” (aperture) aberration for two prespecified conjugate points on the axis. The distribution of zones is characteristic for each location of conjugate points. The existing relations for calculation of zone distribution by the relation for two prespecified conjugate points located in finite distances and the spherically curved substrate of the lens is completed. The relation has been reduced to a compact and simple form.