Interesting sites in Optics containing Java Applets that will help you to visualize how things work :
selected by Jose Mawyin
BEWARE, THIS JAVA CODE COULD CRASH YOUR LINUX MACHINE!!
University of Colorado Physics 2000 Applets.
Quantum and Atom Optics links.
Young's Double Slit Experiment
Law of Refraction
Creation of Polarized Waves
Creation of Interference with Transparencies
Multiple Reflections with Two Plane Mirrors
Physics of Reflection and Refraction
Fresnel Diffraction Patterns
Interference Between Two Point Sources
Superposition Principle of Waves