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Beginning of Paper
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The laser is a device that produces a beam of light. The beam is produced by a process known as stimulated emission, and the word “laser” is an acronym for the phrase “light amplification by stimulated emission of radiation.” Lasers amplify light and produce coherent light beams. A light beam is coherent when its waves or photons are in step with one another.
Laser light can be made extremely intense, hi ....
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Middle of Paper
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.... Theodore Maiman observed the first laser action in solid ruby.
HOW A LASER WORKS
A laser is made up of several basic components. One is called active medium, which consists of atoms of a gas, molecules in a liquid, ions in a crystal, or any of several other possibilities. Another component consists of some method of introducing energy into the active medium, such as a flash lamp. The third basic component is a pair of mirrors placed on either
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ADDITIONAL FEATURED ESSAYS
Cancer Of The Eye
or its supporting structures is relatively, with only 2500 new caes and 400 deaths a year. Men an
The Noble Gases
are the far right elements on the periodic table. On the earth they are scarce so we dont see mu
The Noble Gases
are the far right elements on the periodic table.
On the earth they are scarce so we donΉt see muc
Holograms
Toss a pebble in a pond -see the ripples? Now drop two pebbles close
together. Look at what happens
Holograms
Toss a pebble in a pond -see the ripples? Now drop two pebbles close
together. Look at what h
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