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Lasers1
 

Lasers1

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    Lasers1 Lasers1 Presentation Transcript

    • lasers
      BY: JAWAHER ALATTIYA
    • Introduction
      Lasers were invented in 1960. The first experiment was by the united state government they experimented lasers as a defence against nuclear missiles . Nowadays, they are used to identify targets. But apart from military uses, they have many applications in engineering, communications, medicine, and the arts.
    • Body Definition of LASERS
      LASERS (Light Amplification by Stimulated Emission of Radiation) are devices which
      Amplify light and produce beams of light which are very intense, directional, and
      Pure in colour. They can solid state, gas, semiconductor, or liquid.
    • Uses of LASERS
    • Uses of LASRES in engineering
    • Advantages of LASERS
    • Disadvantages of LASERS
    • Summery
    • The end
    • Graph