The Physics of Lasers
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  Lasers are devices that emit a specific wavelength of light in a focused beam, while everyone has probably played around with a laser pointer, not too may people know much about them. This webpage is designed to inform you about the physics behind lasers, the different types of lasers, the dangers of lasers, and most importantly the fun to be had with lasers.
 
 
Lefct Content What  is a laser?