
Polarizer
x
Polarizer
y
Fast lens
Green light
(A)
Polarizer
x
Lens
(B)
Light
Polarizer
y
(C)
(D)
(E)
Figure 6.22 Maltese cross. The experiment is shown in a photograph (A) and sketch (B).
Results are shown with the polarizers crossed (C) and parallel (D). A person’s eye is imaged with
crossed polarizers over the light source and the camera (E). The maltese cross is seen in the blue
iris of the eye.