2. The History of LASER

3. Introduction

4. Principle of Spontaneous emission and stimulated emission. Population inversion, pumping. Einsteins A and B coeffcients derivation.

5. Types of lasers Solid state LASER : Nd:YAG laser, Ruby LASER Gas LASER : He-Ne LASER, CO 2 LASER Liquid /Dye LASER : Coumarin dye laser, europium chelate laser Semiconductor LASER : GaAs,GaAsP,GaAsAl…

17. Applications Industrial Applications Lasers in welding heat treatment, cutting Medical applications Holography construction reconstruction

18. LASER Welding

19. LASER welding

21. LASER cutting

22. LASER defense

23. Air-Borne LASER

24. Death Ray

25. Holography

26. Hologram

28. LASER show

29. Aqua city LASER show

30. Thank you for your patience