Physics 2000: Lasers Feature Summary

Type:
Physics in Your World
Title:
Physics 2000: Lasers
Description:
Lasers don't come only in red: you can buy handheld lasers that produce light in various wavelengths in the visible spectrum. Remember, lasers can be dangerous--so get adult supervision for any laser experiment you try.

- To learn how lasers work, check out the University of Colorado site Physics 2000: Lasers with several helpful applets.
- For some information on the differences between lasers that produce different colors, see this Laser Colors Q & A from the University of Illinois.
- And to learn about a laser that produces infrared light, see the feature at right on quantum cascade lasers.
Image:
image credit: Marco Nero (lasers by Wicked Lasers); <a href="http://www.laserfest.org/lasers/pictures.cfm#1" target="_blank">image source</a>; <a href="http://www.physicstogo.org/images/features/lasercolors-large.jpg" target="_blank">larger image</a>
image credit: Marco Nero (lasers by Wicked Lasers); image source; larger image
Image URL:
http://www.compadre.org/Informal/images/features/lasercolors-large.jpg
Featured:
November 1, 2010 - December 1, 2010