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. - http://pcl.physics.uwo.ca/science/lidarintro/
Sam's Laser FAQ - Describes types of lasers (including laser pointers), their operation and safe use. - http://www.repairfaq.org/sam/lasersam.htm
Schawlow and Townes Invent the Laser - Bell labs tells the history of the invention and evolution of the LASER at Bell Labs: 1958 - 1998. - http://www.bell-labs.com/about/history/laser/
Lasers - FAQ-like text covering the safe operation and creation of homemade lasers. - http://www.iks-jena.de/mitarb/lutz/verein/funknetz/1/lasersam.html
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. - http://stwww.weizmann.ac.il/lasers/
Don K's Laser Page - So you want a working diode laser? Gives information on laser diode pointers. - http://members.misty.com/don/laserdon.html
How a Laser Works - A tutorial from Livermore National Labs. - http://www.llnl.gov/nif/library/aboutlasers/how.html
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. - http://www.rli.com/resources/argon.asp