Optics in a DVD Read Head

< return="" to="" enabled="" by="" optics="" student="">
Enabled by Optics

Optics in a DVD Read Head
By Siddharth Varughese, Georgia Institute of Technology, Georgia, USA 

Failed to load widget object.
An error was returned by the server while accessing the API: invalid token (code 210)

The product explained in the video is a Sony Optical Read Head. It consists of a semiconductor laser diode, a polarization beam splitter, various types of lenses, a mirror, a quarter wave plate and a photo diode array.