Applets by Daniel Roth - Interference
(c) 2000 by Daniel Roth, FiPS, Department of Physics, University of Kaiserslautern, Germany
These pages are mirrored
at http://www.fernstudium-physik.de/software,
the official FiPS website hosted at the University of Kaiserslautern in Germany.
Java Applet

Black circles are printed onto two transparent foils. The foils can be overlayed by changing the position of one of them. While doing so, the distance between the centers of the two foils is shown.
Instructions
Just drag the mouse to change the position of the second foil.