This is a short summary of the paper
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Lasers
Start of Term Paper
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 .... Middle of Term Paper
... instead at random short bursts.
Even if the light is of a single frequency that statement would also be true. A
laser is useful because it produces light that is not only of essentially a
single frequency 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 activ ... |
| Number of Words: 757 |
Approximate Pages: 3 |
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