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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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