Glass prism and laser. Glass prism illuminated with green laser light, with a reflection seen in an optical disc. Compact discs (CDs) and digital versatile discs (DVDs) are examples of optical discs.
The Laser Beam Turns 50 | TIME.com
Properties of laser light
Lasers – The Wonders of Physics – UW–Madison
Rotating prism with a green laser. This shows the variety of refractions and reflections associated with the glass prism. - Stock Video Footage - Dissolve
Best demo | Understanding refraction & Total internal reflection in prism with laser | STD 8-12 - YouTube