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Lasers
Part I of Essay
The laser is a device that a beam of light that is both scientifically
and practically of great use because it is coherent 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 stimu .... Part II of Essay
.... but also coherent, with the light waves all moving along in
unison.
Lasers consist of several components. A few of the many things that the
so-called active medium might consist of are, atoms of a gas, molecules in a
liquid, and ions in a crystal. Another component consists of some method of
introducing energy into the active medium, such as a flash lamp for example.
Another component is the pair of mirrors on either side of the active medium
which consists of one that transmits some of the radiation that hits it. If the
active com ....
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Words: 757 - Pages: 3
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