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Lasers 2
Part 1 of Paper
....imulated emission, and the word “laser” is an acronym for the phrase “light amplification by stimulated emission of radiation.” Lasers amplify light and produce coherent light beams. A light beam is coherent when its waves or photons are in step with one another.
Laser light can be made extre.... Part 2 of Paper
.... and Charles Hard Townes in their 1958 patent application. The patent was granted but was later challenged by the American physicist and engineer Gordon Gould. In 1960 the American physicist Theodore Maiman observed the first laser action in solid ruby.
HOW A LASER WORKS
A laser is made up of several basic components. One is called active medium, which consists of atoms of a gas, molecules in a liquid, ions in a crystal, or any of several other possibilities. Another component consists of so.... |
| Number of words: 1125 - Approximate pages: 5 |
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