LASER

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LASER

  1. 1. LASER<br />
  2. 2. The History of LASER<br />
  3. 3. Introduction<br />
  4. 4. Principle of Spontaneous emission and stimulated emission. Population inversion, pumping. Einsteins A and B coeffcients derivation.<br />
  5. 5. Types of lasers<br />Solid state LASER :<br /> Nd:YAG laser, Ruby LASER<br />Gas LASER : <br />He-Ne LASER , CO 2 LASER<br />Liquid /Dye LASER :<br />Coumarin dye laser , europium chelate laser<br />Semiconductor LASER :<br />GaAs,GaAsP,GaAsAl…<br />
  6. 6. He-Ne LASER<br />
  7. 7.
  8. 8.
  9. 9. CO 2LASER <br />
  10. 10.
  11. 11.
  12. 12. Nd-YAG LASER<br />
  13. 13.
  14. 14.
  15. 15. Semiconductor lasers<br />
  16. 16.
  17. 17. Applications<br />Industrial Applications <br /> Lasers in welding<br /> heat treatment,<br /> cutting <br />Medical applications <br />Holography <br />construction <br /> reconstruction<br />
  18. 18. LASER Welding<br />
  19. 19. LASER welding<br />
  20. 20. LASER welding<br />
  21. 21. LASER cutting<br />
  22. 22. LASER defense<br />
  23. 23. Air-Borne LASER<br />
  24. 24. Death Ray<br />
  25. 25. Holography<br />
  26. 26. Hologram<br />
  27. 27. Hologram<br />
  28. 28. LASER show<br />
  29. 29. Aqua city LASER show<br />
  30. 30. Thank you for your patience<br />

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