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Lasers
Start of Term Paper
Did you know that some laser beams are small enough and powerful enough to drill two hundred holes on a spot as tiny as the head of a pin?
The first major advancement in laser development came in 1954. This was the year that Charles H. Townes, .... Middle of Term Paper
... still one of the most powerful available. This laser used a ruby rod for its active medium, which is its way of producing light. Ali Javan then created the first gas laser later in 1960. Three separate teams of American scientists operated the first semiconductor laser in 1962. Then in 1966, the American physicist Peter Sorokin built the first dye laser.
To begin with, I will explain the definition of a laser: It is a device that produces a very narrow powerful beam of light. A laser light is a narrow beam of light, in which all the waves are traveling exactly at the same length and moving together as one. A laser light is made up of only ... |
| Number of Words: 1733 |
Approximate Pages: 7 |
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