Sample Essays & Free Papers For You

A reliable academic resource for high school and college students.
Essay database with free papers will provide you with original and creative ideas.

the laser beam

Date Submitted: 10/14/2002 02:28:38
Length: 4 pages (1226 words)
Views: 134766

Laser stands for Light Amplification by the Stimulated Emission of Radiation. Lasers work by producing an intense beam of bright light that travels in one direction. The laser has the unique ability to produce one specific color or wavelength of light, which can be varied in its intensity and pulse duration. The newest laser systems have become remarkably precise and selective, allowing treatment results and safety levels not previously available. All lasers contain an energized …

Is this essay helpful? Join now to read this particular paper and access over 480,000 just like it!

…the earth by pulses of laser light aimed at the mirror. The reflection back is then divided by half, just like radar, to find the distance. Bibliography Bibliography 1. Lucent Technologies. http://www.bell-labs.com/history/laser/ 2. Robert Scholten, http://optics.ph.unimelb.edu.au/atomopt/diodes.html 3. Jerry E. Pournelle http://www.jerrypournelle.com/sot/sot_6.htm 4. Troitsk, Moscow Region http://www.pic.troitsk.ru/cl7000.htm 5. Burroughts, William Lasers. New York, Warwick Press,1982,61 pages

Need a unique paper?