Virtual Light Polarization Experiment

A graphical interface that let you do experiment on polarized light.

Light goes through a color filter (yellow filter) and become monochrome.
After that, part of light travels through a quarter-wave plate (which is presented in degree as Beta value in the program). The other part doesn't travel through wave plate.
Finally both lights goes through a polarizer(which is presented in degree as Alpha value in the program) to the screen.
By looking at the two semi-circle, we know the phenomena of polarization.