Lasers1

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Lasers1

  1. 1. lasers<br />BY: JAWAHER ALATTIYA<br />
  2. 2. Introduction<br />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. <br />
  3. 3. Body Definition of LASERS<br />LASERS (Light Amplification by Stimulated Emission of Radiation) are devices which<br />Amplify light and produce beams of light which are very intense, directional, and <br />Pure in colour. They can solid state, gas, semiconductor, or liquid.<br />
  4. 4. Uses of LASERS<br />
  5. 5. Uses of LASRES in engineering<br />
  6. 6. Advantages of LASERS <br />
  7. 7. Disadvantages of LASERS<br />
  8. 8. Summery<br />
  9. 9. The end <br />
  10. 10. Graph<br />

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