28 August 2009 Novel aplanatic design method
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Abstract
Aplanatic designs have interested scientists since the days of Galileo, Newton and Descartes. It is remarkable that an onaxis condition which can be simply formulated ensures good off-axis performance. The condition is that rays parallel to the axis intersect rays converging to the focus on the surface of a sphere. In this paper the authors have extended aplanatic designs to refractive media in a non-trivial way, which yields highly compact and fast aplanatic singlets.
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Weiya Zhang, Roland Winston, "Novel aplanatic design method", Proc. SPIE 7423, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration VI, 742306 (28 August 2009); doi: 10.1117/12.836028; https://doi.org/10.1117/12.836028
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