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generalformulatodesignafreeformsingletfreeofsphericalaberrationandastigmatismcomment
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General formula to design a freeform singlet free of spherical aberration and astigmatism: comment
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1
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explicitrepresentationsofallrefractiveopticalinterfaceswithoutsphericalaberration
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Explicit representations of all refractive optical interfaces without spherical aberration
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1