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本文分析了球对称折射率平方分布的平板透镜的傍轴光路,并用P·J·Sands提出的非均匀透镜的三级象差理论推导出三级象差象系数。
In this paper, the paraxial optical path of a spherical lens with spherical symmetry refractive power is analyzed. The third-order aberration coefficient is deduced from the third-order aberration theory of non-uniform lens proposed by P.J. Sands.