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Lasers And Their Uses
Part 1 of Paper
....disc players for stereos or computers, laser surgery,
laser printers, holography, cutting and borring metals, communication, bar-code
scanners, etc. Over the past three decades' lasers have become a tool used
daily by many people and they have become very useful in scientific research.
As you can see lasers are a very.... Part 2 of Paper
....timulating further emission of photons, all
of the same frequency and phase. This process produces a sudden burst of
coherent radiation as all the atoms discharge in a rapid chain reaction. The
light beam produces is usually pencil thin and maintains its size and direction
over very long distances.
Lasers vary greatly in the way they look and what they are used for.
Some lasers are as large as buildings while others can be the size of a grain
of salt.
There are many parts to lasers. I will n.... |
| Number of words: 843 - Approximate pages: 4 |
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