Spherical Aberration Correction Using Refractive-Diffractive Lenses with an Analytic-Numerical Method

Table 2

Coefficients value for the example 1.

Coefficients	Aperture height (mm)	Value
𝑎2	Paraxial	−0.005 mm^-1
𝑎4	(25)(1)=25	1.180409 × 10^-6 mm^-3
𝑎6	(25)(0.7746)=19.363	−1.270732 × 10^-10 mm^-5