<content> <p>Spherical lens aberration</p> </content>

3ff9934e-0071-4049-99d1-c9dc1e9d79f9 345 Alvaro Diaz Falconi 4 5 false false false 0 0 decimal <content> <p>Spherical lens aberration</p> </content>

Refraction index

n 1.5 :

Plot x 2^y 2^+ r 2^- (x 0.75 r * > (* R eval x 0 y * + d - 31 sys :

Lens radius

r 20 :

Screen position

d 60 :

Refraction incident and exit angles

θ.i σ y.1 * x.1 / - atan :

θ.e n θ.i sin * asin :

Refracted beam

x y λ θ.e θ.i - tan x * σ y * - x.1 θ.e θ.i - tan * - σ y.1 * + :

Rays

k 0 :

x.0 100 - :

from -∞

y.0 1 - 1 0.9 - range 0.5 * r * σ y.0 sign eval : x.1 y.1 12 mat r 2^y.0 2^- sqrt y.0 12 mat : x.2 y.2 21 mat x y λ x 0 y * + d - 21 mat x y 21 mat roots : R k k 1 + : el x.0 y.0 x.1 y.1 x.2 y.2 32 mat : 41 line for

Plot

Alvaro

4 appVersion 1.2.9018.0