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Laser and its worth

July 06, 2010  by: KRIS  Points: 5   Category: Others  Earning $0.05   Views: 697

All about laser

         

Laser is actually acronym for Light Amplification by Stimulated Emission of Radiation.

Lasers are in the form of containers or tubes that contain the lasing medium,the material which is energized to emit light. It may solid, liquid or gas.

The light from a laser is made up of a single color. All its waves are in step and they travel in the same direction so that their energy is concentrated into a narrow beam making it immensely powerful and capable of traversing long distances without diverging or losing its intensity. These properties open up a wide range of uses for lasers.

Laser beams carrying telephonic conversations or digital data are generally transmitted over long distances by means of optical fibers. Lasers have also found usage in reading and recording information. Bar code scanners, CD players and hologram recorders utilize lasers.

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