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Lasers And Their Applications
Beginning of paper
Laser is an acronym for light amplification by stimulated emission of radiation. In the last century many types of lasers have been used for many different applications from welding to surgery to military and even many uses in every day life by harnessing the principles of light and stimulated emission.
To understand how lasers work we must fi ....
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....ce more light with the same phase and direction these light waves will be coherent. Stimulated emission amplifies the coherency of this radiation and gives the radiation a very narrow beam spread.
The combination of light amplification and stimulated emission creates a laser. Laser light is coherent because the atoms are stimulated to emit waves .... |
| Word count: 1998 |
Page count: 8 |
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