Argon Gas Laser System: The argon laser was invented in 1964 by William Bridges at Hughes Aircraft and is one of a family of ion lasers that use a noble gas as the active medium. This laser is used in many applications.
Don K's Laser Page: So you want a working diode laser? Gives information on laser diode pointers.
How a Laser Works: A tutorial from Livermore National Labs.
Introduction to Lidar: An introduction to atmospheric lidar for high school students. Lidar can be considered like radar but using light instead of radio waves.
Laser Tutorial: Basic explanation of the operation of a laser.
Lasers: FAQ-like text covering the safe operation and creation of homemade lasers.
Sam's Laser FAQ: Describes types of lasers (including laser pointers), their operation and safe use.
Schawlow and Townes Invent the Laser: Bell labs tells the history of the invention and evolution of the LASER at Bell Labs: 1958 - 1998.
The Invention of the Laser at Bell Labs, 1958 - 1998: Laser history, written by the lab where it happened.
The Laser Adventure: [Windows-based computer preferred for best viewing experience.] In English and Hebrew. A course on "Lasers and their Applications" developed by Rami Arieli for grades 11-12 and college level.